A lot of white leftubers muddy the waters on this, and make a lot of long winding videos dancing around this point, but it's simple.

When someone calls someone out and keeps it purely about their actions and the harm it caused, that's good, because you're pushing that person to be better.

When someone uses oppressive or bigoted language as a cudgel to call out a minority who has messed up, it's just bigotry with an excuse. A lot of bigots use this praxis to hide their power level, while pretending to be of the former camp.

And when you take people from the former camp, and you lump them in with the people in the latter camp, you are doing the work of the people in the latter camp for them, and poisoning the community by attacking the people punching up. A lot of leftubers are guilty of this.