Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?
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Notes -
It's not my area of expertise, so I'm not going to debate it with you. These debates have all been had at length online already. I would just note that the genes that reach fixation in a species must do so by increasing their own prevalence (by helping themselves or their kin), not by making their group survive. If there are genes for helping the group and they die with the bearer, that doesn't do much good for those genes. Seems tautological to me, but if you want more detail, I defer to the experts.
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