The modern peril of the availability heuristic

Internet says: ‘No pics? No truth’—and the comment wars get spicy

TLDR: An explainer warns that people now treat missing info online as proof something doesn’t exist, a twist on the old availability bias. Comments split between “cover-up if no photo” cynics and folks citing legal limits and slow reporting, with memes mocking how outrage algorithms beat boring facts.

BehavioralEconomics.com is sounding the alarm: in the age of endless feeds, our brains aren’t just fooled by what we see — we’re now suspicious of what we don’t. The piece coins “UnAvailability Bias,” the idea that when expected info isn’t visible, people treat the absence as proof it doesn’t exist. One camp cheered, calling it a much-needed label for the ‘pics-or-it-didn’t-happen’ era. Another camp snapped back: this just feels like a fancy way to shame skeptics. The third? Meme lords, obviously.

After a recent high‑profile case where custody photos weren’t circulating, conspiracy threads took off. Some commenters declared, “No mugshot, no suspect,” while others linked court records and reminded everyone that privacy rules, media policies, and timing can block images. The drama peaked with “Schrödinger’s suspect” jokes — simultaneously real and fake until a screenshot appears. Meanwhile, platform warriors blamed algorithms that reward outrage over nuance, asking why “boring truth” never trends. Critics warned the term could be weaponized to dismiss legit questions; supporters argued it’s a crucial reminder that absence isn’t evidence. And yes, someone dropped the meme: “404: Evidence Not Found,” to which a reply added, “Try refreshing your critical thinking.” Read the availability heuristic explainer for context.

Key Points

  • The availability heuristic once served as a useful proxy for likelihood in an era of information scarcity.
  • Modern information abundance, shaped by algorithms and social reinforcement, has weakened the link between availability and actual likelihood.
  • Hochman introduces 'UnAvailability Bias,' where absence of expected information is treated as evidence of nonexistence or wrongdoing.
  • Silence or missing content may have institutional, legal, or cognitive explanations and should not be assumed as proof.
  • A case study shows online conspiracy theories focusing on missing visuals in a criminal case, exemplifying UnAvailability Bias.

Hottest takes

"If it isn’t in my feed, it isn’t real" — scroll_skeptic
"Absence of evidence ≠ evidence of absence; calm down" — CourtClerk42
"Algorithms don’t show truth, they show tantrums" — ragebaitRefusenik
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