

I don’t consider it something to be “fixed.” I like that the Fediverse is fully decentralized, with no authority over who gets “in” and who doesn’t. Once you’ve got some kind of authority that can decide who’s allowed on which instances, with some kind of global registry of individual users that can exclude you if the wrong people don’t like you, we’re basically back to being Reddit with some fancy extra steps.
Sure, it risks allowing assholes to continue getting new accounts. But we already have a Reddit, I’d rather try something new even if that comes with downsides.
I don’t know of any “men only” instances, the fact that it’s gender-specific is niche rather than the specific gender.