First let me start by saying that I don't think this is the case for this community because the "examples" of misandry OP shared are clearly not misandryc, but:

If you don't identify as a woman, it doesn't matter whatever the fuck is going on in there because it clearly says it's not about you.

That's a problematic logic, imagine a community of white supremacists saying "If you're not white it doesn't matter what we do here, because it's clearly not about you" and you'll understand why.