@existoon @nydwracu Tribes got chewed by external selection engines (human and nonhuman), with plenty of internal sex competition too.
@existoon @nydwracu (The West is looking like it chose to die -- less work and moral stress that way.)
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@existoon
@nydwracu Hominid stone tool technology remained basically unchanged for over two million years. That's human 'normality'. -
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