Scott Alexander, curated
← Back to curation

Terrorists Vs. Chairs: An Outlier Story

Quality
73
Strong
Claude Shift
52
Moderate
RWI
2
of 10

Summary

A sharp rebuttal to the 'you're more likely to be killed by furniture than terrorists' genre, exposing the trick: starting the measurement interval the day AFTER the last major attack (excluding 9/11 as an 'outlier'). For fat-tailed/black-swan distributions the outliers are the whole risk. Vivid analogies: Haitian earthquakes (0 deaths/year from Jan 13, 2010; 20,000/year from Jan 11), 1918 flu (averages 20,000/year until you include ~100M, then 1M/year), giant asteroids (~100 deaths/year though none ever), nuclear terrorism (~30,000/year at one attack per century). Constant risks (furniture) get over-counted; black swans (terrorism, pandemics, AI) get ignored — and the punchline presciently names pandemics and AI.

Why this score

Quality 73 · Strong. Strong, upper. A clean, memorable, highly portable statistical-reasoning point (don't gerrymander your interval to exclude the black swan that dominates the risk), with vivid examples and a prescient 2016 nod to pandemics + AI. Held just below Excellent as a short, single-idea essay rather than a broad synthesis.

Claude’s paradigm shift 52 · Moderate. Moderate (52). Black-swan/fat-tail thinking predates it (Taleb), but the clean interval-gerrymandering demonstration applied to the furniture-vs-terrorism debunk was a fresh, memorable framing.

Real-world impact 2 · Minor. Minor (2). A memorable reasoning point cited in risk/tail-risk discourse; no material-world reach.