Probably a variety of motives at play, but I'd be willing to bet many of them genuinely think they'll be accepted if they're just dickish enough to libs.
As to whether or not they think their male compatriots will be content to let them continue enjoying the rights that women fought to have for decades...
Normies are stupid. They always seem shocked when they get SPECIFICALLY the thing they ask for. And conservatives ALWAYS get what they want so they should have wised up by now.
The average person is an unthinking dumbass who would gladly die to own the libs. Be shocked that they died, but still think it's worth it to show off their loyalty to the GOP.
I am begging you to read this essay. The average person is not "DAE le sheeple" and misanthropy is not a usable basis for leftism. Being marginalized can produce a breakdown in empathy for members of more mainstream groups, but you must not forget that they are all real humans with internalities just like you have, whether you understand how that could produce their behavior or not.