There is minor discrimination everywhere. It's just not worth fighting against for the little piddly things IMHO.

If it's hot downtown and I decide to take my shirt off in the park, probably nobody would hassle me about it. Were a woman to do that, they would probably be asked to cease and desist by some authority.

Is it discrimination? Yep. Is it worth fighting over? Nope (IMHO). It's called "society norms".