Selfish Genes and Altruistic Animals

Often in discussions of the evolution of complex behaviour, I’ve come across a certain set-up: evolution naturally, ‘without effort’, produces egoistic creatures, and then only in response to certain particular selection pressures, and through certain particular mechanisms, does it produce altruism.

That is, people often seem to assume that the ‘problem’ or ‘challenge’ for evolution is how to limit egoism and allow altruism. Or conversely, that’s the ‘problem’ or ‘challenge’ for people trying to understand and explain the evolution of complex behaviour.

I’d like to suggest that this is actually the opposite of the truth: the problem is how to make naturally altruistic creatures behave egoistically.

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