There's always been a thick stratum of unreconstructed misogyny on the right.

Really, what it's about is fear. Since the 60s and 70s, the power that has been reserved for even relatively poor white English-speaking men has been seeping away to The Blacks and The Browns and }}gasp{{ The Women. And this, quite simply, terrifies the kind of semi-failed inadequate shitbag who writes the kinds of comments to which you've linked.