I’d say you’re over-stating (or at least over-dramatizing) a bit on the Freudian angle, but it’s not a bad model. I’ll roughly try to restate with less contempt: This is a birds-of-a-feather effect, people [mostly male in this case] built themselves a space where the norms and conventions made them comfortable, and now that their space is a popular space, the people who felt safe there are being told they can’t keep their comfortable conventions.
Sports and TV fandoms and hobby communities and the like are all examples of weird people (hint: we’re all weird in one way or another) carving out safe spaces based on shared aesthetic, it shouldn’t be surprising that they tend to break on other major factors of socialization like race and gender. (Since we’re talking about gender: Hackers and Sports fans are both male-dominated examples where there are both longstanding female minorities who, for whatever individual reason, really like the space, and other women who feel excluded; I take that as evidence that it’s a case of a larger aesthetic that tends to appeal to a gender, not discrimination). If you get the “ladies night” idea of environments within cultures and sub-cultures where the conventions are dictated by the prevailing conception of femininity (possibly crossed with another subculture’s values), you should get the idea that everyone sometimes wants to be in spaces where they don’t have to worry about “outsiders.”
People get desperate and mean when you take away their safe spaces. Our natural inclination toward tribalism and framing things in terms of empathy (which is weighted toward self-similarity, as opposed to compassion) makes things extra ugly.
To preempt, there is no “Separate but equal” argument here, this is a simple “everyone deserves safe spaces to retreat to, and safe spaces are not the same for everyone.”
Interesting aside: You were fully onboard with the current convention that it is acceptable to validate women who feel [more than rationally] threatened by men, and harass men who feel [more than rationally] threatened by women. I don’t think either is particularly healthy.
Edit: It took me a while to think of where some of this is familiar from because I wasn’t thinking cross-cultural, your model is invoking the hikikomori phenomena adjusted for America?