@reiver so I'm unsure that it makes sense to talk about it being "tricked".
Later, ingroups=tribes, even if unrelated, but it was adaptive.
@reiver Re: blog post about ingroup/outgroup vs. kin recognition; in the ancestral environment, they were the same; tribe=genetic relatives.
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@reiver It's only very recently it's sometimes maladaptive, in last ~1k years, ie around when people started talking about ingroup/outgroups - 3 more replies
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