Opportunism is often adaptive. Calling it bad is mostly a moral overlay, not an evolutionary one.
From an evolutionary standpoint, opportunism is sensitivity to changing incentives plus willingness to exploit openings. That combo is gold in unstable environments. Food scarcity, shifting hierarchies, migration, tech change. The organisms and people who notice openings and move fast tend to survive and reproduce more.
Where opportunism really shines is at boundaries. New niches, collapsing institutions, weak enforcement, transitional periods. Settlers, traders, inventors, political climbers, market entrants, sexual strategists. All are opportunists doing well when the old rules wobble.
Why the bad reputation then.
Because opportunism creates negative externalities inside stable groups. Groups need predictability, trust, and rule-following. Opportunists free-ride, defect early, switch loyalties, and exploit asymmetries. That threatens group cohesion. So moral systems evolve to stigmatize opportunism even while benefiting from it in practice.
Another wrinkle. Opportunism scales poorly with visibility. Low-level, flexible opportunism is tolerated or praised as hustle. High-status or late-stage opportunism gets condemned as betrayal, sellout behavior, or bad character. Same behavior, different optics and power levels.
There’s also an environment mismatch story. In stable, high-trust societies, long-term cooperation beats short-term opportunism. In volatile or zero-sum environments, opportunism outperforms loyalty. Modern life mixes both, which is why people feel morally confused about it.
A useful way to frame it.
Opportunism is a strategy, not a trait.
It’s adaptive when uncertainty is high and enforcement is weak.
It’s punished when stability is high and reputation systems are strong.
Evolution doesn’t care whether something feels noble. It cares whether it works under local conditions. Opportunism keeps beating extinction, which is why every society denounces it while quietly relying on people who practice it.
LATEST POSTS:
- The Comparator Test: Does Penn Apply the Same Standard?
- PragerU Salaries & Bonuses
- The David Pinsof Story
- Added Context to the Dennis Prager-Cedars Sinai Lawsuit
- The Criticism Was Right and It Did Nothing: Andrew Gelman, Seth Roberts, and the Limits of Being Correct
- What Andrew Gelman Doesn’t Write About
- Andrew Gelman: ‘Computer scientists today are like economists in the early 2000s and Freudian psychiatrists in the 1950s’
- Virtue Signaling and the Amy Wax case
- Revisiting Virtually You: The Dangerous Powers of the E-Personality
- The Great Delusion
- Why Do I Instinctively Dislike Erik Erikson?
- WSJ: The Uninvited Guest Who Crashed Our Family Vacation: My Mom’s AI Chatbot
- WEHT to Marc Weisblott?
- WEHT to Moxie aka Madison Slade?
- WEHT to Nicholas Polson’s Archive?
- Cohen Passes His Own Audit (V2)
- Andrew Gelman & the E-Personality
- ‘(1) “Do you think the culture of research has genuinely changed since the replication crisis became widely discussed, or has it mostly generated new compliance rituals around pre-registration and open data while leaving the underlying incentive structure intact?, (2) Regarding Columbia University, “is there a statistical or social scientific way of understanding how institutions lose the ability to accurately perceive their own situation?”’
- What a Public Audit Does (V4)
- Post: ‘Nathan Cofnas the Schlimazel’
BEST POSTS:
- * The Enlightenment Wasn’t Enlightened (6-23-26)
* Mr. Burge Draws The Line (6-23-26)
* 'Improving on Democracy' (6-17-26)
* People Leak To People Who Are Fun (6-11-26)
* Why Does Australia Produce So Many Great Journalists? (6-11-26)
* Steve Wynn and the Press: Power, Litigation, and the Contest Over Las Vegas (6-3-26)
* Sheldon Adelson and the Journalists (6-3-26)
* The Vigilant Animal: Thinkers Who Reject the Myth of Human Gullibility (6-2-26)
* The Cost of Refusing the Misunderstanding Myth (6-2-26)
* Show Me How It Travels (6-2-26)
* The Norm Explainers (6-2-26)
* Centering Marginalized Voices (6-1-26)
* What would it look like if the Washington Post put its reader first? (6-1-26)
* What would it look like if the Financial Times put its reader first? (6-1-26)
* What It Would Mean for the Los Angeles Times to Put the Reader First? (6-1-26)
* What It Would Mean for The New York Times to Put the Reader First? (6-1-26)
* Why Wembanyama Lives on the Perimeter (5-31-26)
* The Emotional Palettes Of San Diego, Los Angeles, San Francisco & Sacramento (5-27-26)
* The Administrative Capital: Sacramento Legal Culture (5-27-26)
* San Diego - The Quiet Republic (5-27-26)
* The Quiet Bar: San Diego Legal Culture (5-27-26)
* SF v LA Legal Culture (5-27-26)
* Why Talent Travels Poorly Between San Francisco and Los Angeles (5-27-26)
* San Francisco and Los Angeles as Rival Models of Urban Access (5-27-26)
* Social Cliques in New York, 2026 (5-25-26)
* Social Cliques in San Francisco, 2026 (5-25-26)
* The Rival Courts of Washington (5-25-26)
* The City of Private Rooms (5-25-26)
