Let me disagree to some extent. Were there radicals in the 60s/70s? Of course, there were. However, most men and women didn't buy into the BS. Times have changed (and not for the better). Let me quote from "Spencer" over at West Hunter (a web site - look for Sex is a spectrum.
"Lol. I introduce students every semester to various non-overlapping or barley overlapping graphs by sex. Every year their jaws drop further. Twenty years ago barely an eyebrow was raised."