Women work twice as hard for half the respect

When I was a freshman before transition, I had a guy save my number and call me like 2 years after we had an intro engineering class (we spoke maybe once?) to ask me out on a date.

Stem is still heavily dominated by Men, biology might be different as more woman are in bio than men are, and becoming more common in other stems. engineer and programming sitll gear towards men.

Is it me or is this a uniquely American experience?

I loved in quite a few countries and I've never seen this kind of absurd behavior. Granted, in a man, but I've never seen a man cut off a woman like that just because she's a woman, and I've never seen or heard comments even remotely about someone being "exotic". I've heard questions like "ohh, and where are you from?" in genuine curiosity, which is fine, I've never noticed overt racism like that.

Edit: to clarify, I am not talking about myself. Yeah I had idiots treat me like that and you just ignore them. I'm talking about never seeing this behavior in groups. I've lived in Mexico (loooasds of high testosterone machismo there) and even there I've never seen anyone that a women so disrespectful just because she's a woman. Same for skin color or sexual discrimination or whatever. I'm sure it's out there but in Europe, Mexico, Canada, I haven't seen it.

Come to think of it: I have seen some of it. A guy who thought that at in company martial arts classes he could grab women's breasts. I kicked him out immediately, I could not fire him unfortunately as that was not my call. That guy was of course a loud mouth American.

This just makes me think more and more that this may be a problem in all countries, just that it's a huge issue in the US.

Is this unique to women? Do men experience anything similar in women-dominated fields? I'm not actually sure what these may be; teaching, childcare, hair stylists? I realise this may make me sound misogynist, but I'm really clueless.