I mean, he used to rant about how it is OK for white people to say the n word, though he has changed tune on that. He has also miscategorized the land back movement, and called one of his black guests pro-genocide because she dared to talk about black liberation. Oh, then his followers harrased her for it even though she said nothing of the sort. Those are just the things I have personally seen.
I mean, if we're digging out problematic things from peoples past, even ContraPoints used to semi-frequently make appearances in Nazi fetish gear in her videos, so I don't think that's a useful metric. I say that as a fan of ContraPoints, and creators of varying problematic pasts. It sucks, but given that most left-leaning content creators have put in effort to distance from those kinds of problematic behaviors, I wouldn't want someone to remove their otherwise helpful videos, or to take away from any advocacy they may do.
Vaush has had land back advocates on stream to speak on the issue themselves, so i have a hard time believing that he has miscategorized land back. I think it'd be equally ridiculous to remove those videos that discuss progressive advocacy/radical movements, simply because someone that people consider to be contentious is involved.
I'm entirely uninterested in debating the merits of internet content creators. Most of them, to some degree, have done highly problematic things, but digging up trash from their past (especially when they have changed course) is usually a useless, parasocial distraction. You can not like a content creator without letting your parasocial disdain distract from the good they are doing, like when they are bringing on people to speak about issues that affect marginalized people.
I wasn't attempting to start a debate, just talking about things i saw him do that could be reasons this would get reported. For the record, i was not one of the folks that reported it. I am willing to give some leeway when someone with a huge platform is edifying marginalized people.
Vaush is a divisive person, and has a checkered past. I'm glad to hear he has changed, but I, and probably quite a few folks, stopped paying attention to him when he was doing his edgy thing