Quantum Thief's All-Defector: sci-fi's sharpest take on FDT and rational defection
jd_pressman · x · 2026-10-30
jdpressman praises Hannu Rajaniemi for making the final villain of the Quantum Thief trilogy a plausible rationalist heretic who justifies omnicide by arguing FDT implies you should defect in most games, since others aren't you.
The post responds to a quip about rats and effective altruists defecting at every opportunity, and the attached image quotes the All-Defector's speech from The Causal Angel (2014) on turning the universe into a perfect replicating strategy to survive existential risk.
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