Most political slurs ("tankie", "Nazi", "fascist", "communist", "leftist", "liberal", "centrist", etc.), if they ever even start from a position of actually knowing what the words mean, rapidly transform into a general slur that means "someone that I disagree with who's in a different political tribe from me".
I'm not going to name them. The point of this isn't to expose which instances I dislike, but rather to show that every instance has its fans and its antifans.
Whichever instance you choose, someone will have complaints about it. Personally I don't have issues with .ml, but there are quite a few "tech"-oriented instances over which my trigger finger is itching on the site ban trigger.
It's all a question of which subset of human stupidity you're willing to deal with. Because all humans are stupid, we're just different in how and where we express it.
No! There's no way, Mister! Mister Smith at the clinic promised me that my inoculations were all up to date!