The funny thing about Americans is that they actually think they know History. They hear a story here and there about an event and think they understand the complexities of the world. Of course, to most Americans the world is just America and everyone since the dawn of time has had the same morality. None of which is true of course.
Women have women only gyms, and women only clubs, but if a men decide they want to have a men's only area it's sexism. Women can sleep around, and play games and they are Queens. If men do it, they're users. Women have multiple baby daddies and live off the system so they don't have to work, and it's all good. Women can sleep around, get pregnant, and decide it's fine to just kill the baby and people cheer for her. If men say they don't feel ready to have a kid, they are dead beats.