Ultimately this is me; gotta take the good with the retarded for your oshi. She's keeping her sperging away from her Vtuber persona/job, which is the minimum I expect. And as Trap said, the knee-jerk reactions are only going to mellow out over time. If it doesn't affect her streaming, then I'm not going to lose sleep over it. (we'll see if she postpones any streams)
This shit's still fucked though. I know being in echo chambers doesn't lead to having nuanced takes, but this is just as bad as the "evil" you perceive.