i also think that the article is presenting a confused concept of group selection when it means to be talking about kin selection, which i think is the better commonality between wilson and kropotkin

in the context of his mutual aid theory specifically, it really is kin selection and not group selection that should be being discussed.

and, in the context of homo sapiens, as well as primates in general, it is pretty clear that we have very developed concepts of kin selection guiding our evolution at every step, and have from the start of the clade.