Regarding the terminology, if group selection translates to selection of a set of individuals, then how is group selection really valuably distinct from individual selection?
And, regarding the terminology, around “If group-level selection occurs at all, then traits of the group that are not genetic traits, including cultural knowledge, must be considered.” you seem to miss accounting for the possibility of individual selection for cultural units. And regarding those, analogously the first question again: is group selection of group of cultural units really meaningfully distinct from individual selection on a set of cultural units, as happens since time immemorial due to e.g. a weather event?
My suspicion is it isn’t, and—as you allude to—the false distinction is used to shoehorn wishes for altruism into evolutionary theory.
I would also go so far as to argue that the very concept of “group”, which supports this theory as well as the practice it refers to, is itself an individual cultural unit.
Thanks for raising this issue! I think resolving it could yield great benefits, and I’ll contribute to it when I can post on this forum.
I think something that is missing in the perspective is that, rather than pro or contra, permissible or non-permissible torture, the war on terror might have overridden this in his mind; a greater evil to possibly justify a smaller one. In my memory, from multiple debate appearances, Hitchens was a bit or reasonably supportive of Guantanamo Bay (and thus of a smaller evil to avert a larger one) but also tried to arrive at some reasonable middle position, while the topic was (understandably) very polarizing. It is possible to be against torture, but still be open to considering exceptions.