By L. John Lewis
When a novel pathogen slips past the body’s defenses, the immune system responds with an act of calculated recklessness. Deep within the narrow architecture of DNA that shapes our antibodies, it hyper-mutates, ramping up its error rate a hundred-thousand-fold. It throws a chaotic net of biological candidates into the void, completely blind to what will work, testing them against the invader until it finds a fit.
Once the crisis passes, it locks in the gains. A recent study in Nature confirmed that in mice, the cells producing the most effective antibodies abruptly stop mutating, preserving the hard-won defense. It is a primal rhythm: open wide, test the noise, close the gate.
The scientists Raymond and Denis Noble call this mechanism “cellular harnessed stochasticity.” They argue it is the fundamental way living things exercise real choices and survive when the world delivers a shock. What looks like chaos from the outside is actually the raw material of adaptation. Noise provides the options; judgment dictates the decision. A body that only mutated would dissolve into static; a body that only judged, without a diverse pool of raw cellular variations to choose from, would succumb to the very first surprise.
This evolutionary logic is not confined to the individual organism. In a colony of genetically identical bacteria, a tiny fraction of cells will, by apparent chance, fall dormant. They look like failures—dead weight in a booming population—until an antibiotic wipes out the active cells. The sleepers survive, and the colony regenerates. No single cell masterminded the rescue. The Nobles extend this collective agency to communities at large, from slime molds to human societies. If they are right, a healthy civilization must harness its own noise. A society’s noise is the varied, unpredictable texture of its people. Its judges are its institutions.
I spent my career inside one of those judges: the adversarial trial. The American courtroom deliberately manufactures two incompatible narratives of a single event, bars anyone from closing the question prematurely, tests both under strict rules of evidence, and only then asks a jury to decide. Even after a verdict, the appellate system can rip the question back open.
Honest elections do the same with political candidates. Free markets do it with goods, using prices to broadcast information. Rig the vote count or fix the price, and the capacity for judgment dies.
This is the foundational case for diversity—a word that has been reduced to a partisan battlefield. Following a shifting political tide, federal diversity initiatives have been systematically dismantled, while the Supreme Court has steadily narrowed the reach of voting rights. When control of Congress swings wildly from one party to the other, partisans are quick to read the wave as a final verdict on the culture wars.
It is rarely that simple. The vast majority of voters consistently cite the punishing cost of living and deep-seated government corruption as their primary motivators. Corruption, after all, is just a rigged judge—a mechanism deciding outcomes for reasons that have nothing to do with objective fit. And a political wave is itself a sudden, sweeping moment of closure, a time when victors are most prone to forget what healthy closure actually depends on.
True diversity is neither a bureaucratic kindness nor a corporate quota. It is cognitive equipment. It encompasses every distinct perspective that changes what a human being notices: race, class, geography, faith, trade, temperament, and conviction.
The critics of Diversity, Equity, and Inclusion (DEI) have a valid point when they argue that these programs often elevated a rigid set of identity characteristics while enforcing an equally rigid orthodoxy of opinion. An institution that badges itself as diverse, yet requires every different face to echo the exact same ideological line, has bought the aesthetics of variety while killing its substance. One can easily believe these programs were badly designed, or that recent judicial rollbacks were legally sound, and still be haunted by the underlying dilemma: where will a country’s future options come from?
What difference primarily supplies is friction. The neuroscientist Karl Friston posits that living things survive by minimizing “surprise”—the delta between what they expect and what they encounter. This raises a philosophical paradox known as the dark-room problem: if avoiding surprise is the ultimate goal, why doesn’t every animal simply crawl into a dark, silent closet and remain there? Friston’s answer is that an organism is biologically wired to expect a complex world filled with food, weather, and predators. For such a creature, the dark room is the ultimate, lethal surprise; it would starve in the quiet.
Yet nations build dark rooms constantly. A curated social media feed, a hyper-partisan party caucus, or a closed-minded faculty lounge all function to keep the unexpected at bay. In a body politic, the unwelcome surprises arrive in the form of other people. Friction is simply what that encounter feels like. It is precisely how a society discovers what it has gotten wrong.
The friction may be unpleasant, but the data shows it works. In a landmark study examining legal deliberations, the psychologist Samuel Sommers placed citizens on mock juries that were either entirely white or racially mixed. The mixed panels deliberated significantly longer and debated a far wider range of the evidence.
The most surprising finding was who actually improved: the white jurors on the mixed panels cited more facts, made fewer factual errors, and became more rigorous than those on the all-white panels. The presence of difference disciplined everyone at the table, forcing them to look closer at the truth.
Variety does not replace competence, and the well-worn claim that “diversity trumps ability” has been rightly picked apart. The real claim is narrower: among individuals who are all demonstrably capable of doing the job, those who have lived differently notice different things. Their presence forces the group to dig deeper.
Science learned this through generations of institutional pain. The philosopher of science Thomas Kuhn famously demonstrated that a dominant scientific paradigm only falls when unexplained anomalies pile up so high that the old model can no longer contain them. The people who draw the new maps are almost always “very young or very new to the field.”
Kuhn went further: if every scientist treated every single anomaly as a fatal crisis, science would fracture into chaos. But if no one did, science would stagnate forever. Because scientists share a commitment to open inquiry but lack a uniform rulebook, they weigh the exact same evidence differently. That variety, Kuhn wrote, is a scientific community’s elegant way of “distributing risk.” The bacterial colony does the exact same thing, entirely by design, without ever knowing it.
We have fallen into the trap of treating outliers as the unfortunate tax we pay for maintaining an open society. In reality, they are the very prize openness buys.
When the medical establishment was absolutely certain that stomach ulcers were caused by stress and excess acid, an obscure Australian internist named Barry Marshall suspected bacteria were the true culprit. Unable to secure tracking or validation from his peers, he famously drank a beaker of the broth to prove it.
In a different corner of research, Katalin Karikó, a Hungarian immigrant, was demoted by her university in the mid-1990s because her obsessive work on messenger RNA consistently failed to secure corporate or federal grants. Both ultimately won the Nobel Prize. Karikó’s stubborn, unfunded persistence made the Covid-19 vaccines possible. Each was the dormant bacterium in the colony—a documented failure by every average institutional metric, right up until the moment the antibiotic arrived.
The philosopher Kevin Zollman later modeled this phenomenon and reached a conclusion that dogmatists on both sides of the political aisle would do well to consider: the ideal state for a society is transient diversity. Communities that converge on a consensus too quickly lock in disastrous errors. Communities that never converge at all never arrive at the truth. A society that relitigates its foundational rules forever becomes paralyzed, entirely incapable of collective action.
Modern American politics suffers from both pathologies at once. Over the last few years, partisan mapmakers from Texas to California have engaged in a frantic scramble to redraw congressional districts mid-decade—an explicit attempt to lock in electoral outcomes before the unpredictable diversity of the voting public can disrupt them.
Universities are theoretically designed to be the sanctuaries where a society protects its spare variation. Instead, both ideological camps have been systematically thinning it out. A comprehensive study of over 7,000 professors across elite universities found that registered Democrats outnumbered Republicans by more than eleven to one. While self-selection explains a portion of the imbalance, universities actively exacerbated it by requiring ideological diversity statements from job applicants—litmus tests that resulted in conformity rather than genuine variety.
Now, the federal government is executing the exact same purge from the opposite flank. Recent agency records reveal federal offices canceling scientific research grants through sweeping keyword searches, targeting lists compiled from congressional reports flagging terms like “historically,” “institutional,” and “minority.”
One analysis revealed that thousands of National Institutes of Health grants terminated in early 2025 fell disproportionately on early-career scientists—the very young and the very new whom Kuhn identified as the cartographers of our future.
A university hiring committee that filters for a singular brand of politics and a federal grant office that screens for another are committing the exact same error. They are removing the wild cards from the deck before the game can even be played.
L. John Lewis is a Stanford Law School graduate who was a clerk for both a Federal District Court Judge and for the Chief Justice of the United States Tenth Circuit Court of Appeals. He is the former managing director of a Swiss asset management firm and has carried that experience forward to his current asset underwriting activities. Based on four years of research, he recently completed a book on the history of thinking concerning Sentience entitled “ THERE: The Mind of Man and 3000 Years of Conversations with God”, as well as several articles that relate to ideas and theories covered in his book.
