I'm not saying he's right, but "we're all social animals" ignores the entire discipline of evolutionary psychology. Biology forced males and females of various species to evolve different strategies. For humans some of those strategies are obsolete, but it doesn't mean that they're gone from our brains. If you haven't, check out The Mating Mind by Geoffrey Miller or similar books.
Curious why you think it's crank material (and why my comment warrants a downvote btw). I've read most Steven Pinker's books as well. Miller's is mostly a rehash of other people's research along with some speculation and opinion on his part, but he clearly states so. In any case, the reference does not invalidate my rebuttal of the parent comment.
