It's not uncommon for folks who identify themselves this way to overlap with the circle of those who do these things you called out.

I think it is very uncommon actually, especially if you consider the global population of non-binary-gender people, from the many cultures we exist in. Don’t let a couple of online bubbles skew your perception.

Also it's kinda fascinating that person with "pronouns" (implying "let there be inclusive acceptance") is so against… anime girls…