A lot of people don't seem to understand how male centered American society is. It's so pervasive that we take it for granted. Before really starting to "get" such things, I was always told that once you do, it will be everywhere.
Browsing reddit tonight, one example just smacked me in the face.
This particular image at present has 1384 upvotes. Apparently it's only guys that play video games and the entire goal of Target is to further what guys want (meeting girls). It couldn't be that women make up 40% of PC gamers. Because everyone knows that girls only care about makeup. Right...