I'm sorry you had to be exposed to all that. Reason and logic are not going to be useful here; they don't utilize or understand it. Everything is about justifying their extreme hatred of women (and hatred of their own desire to be with women) with these dudes. They'll tell you you're "white-knighting" and a "beta" (meanwhile being extremely angry and jealous that you are very happily partnered).

They're poisoned and bitter, and the best you can do is just be an example of a non-dickhead.