hmm, I disagree on that one. Loving your neighbor as yourself, do unto others, etc, has clear advantages from a social reproduction standpoint, and so I would assume societies that have this code would be at an advantage over those that don't.
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Replying to @a_centrism @foggyanabasis
Defect / defect is a stable equilibrium. But so is cooperate / cooperate and that one has better returns to both players.
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Among universal cooperators, defectors have an advantage (lots of easy marks). Among universal defectors, cooperators have an advantage (can actually get anything done).
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In a theoretical construction being a defector in a group of universal cooperators is advantageous but practically speaking you can't evolve a group of universal cooperators without brutal enforcement of cooperative norms (strong enough to overcome the edge for defecting) 1/2
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If you have group norms like that only then is it possible to evolve "always cooperate" - which free rides on a group that expects "cooperate but pay the cost of watching the other party for defection". You get new problems then and need new norms. 2/2
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