If someone is in YOUR space, making you uncomfortable, saying questionable things, heck, not fitting the vibe. It's up to you if you would like to remove them from your space. Don't let anyone make you feel bad for banning someone for your own mental health and community.

I had one viewer that whenever I would die in a game or make a misplay, they would repeatedly point it out and say the same snidey comment. They wouldn't ever say anything positive. Guess what? You didn't meet the vibe check. Bye