I wonder how many men, if going away with perceptions like these, would be ready to ascribe it to some "them vs. me" issue. I mean, one can't conclude on basis of statements like these that some sort of improper discrimination wasn't going on, but neither can one conclude that it was.
Not many, for much the same reasons that polls show that white consider us to be living in a post-racial worlds while nearly everyone else in America disagrees strongly.
You don't generally notice discrimination if you're not the one being discriminated against, since most of it will happen out of your sight. You may have some awareness that "some people" still act that way, but it will seem remote to you and likely overblown.
Does no one remember what it was like to be a geek or nerd in high school? Sometimes people act against you with open, gleeful hostility, but most of the time, it's just a subtle undercurrent of preconceived notions and dismissive attitudes. Guess what? It doesn't really go away when we get older. It just happens to different people.