It means that he is against the fact of jews existing (which, if I might add, is blatantly untrue about pewdiepie)
It doesn’t really matter if he isn’t truly an antisemite. He displayed Nazi imagery in his videos a few years ago. He showed a sign saying “Death to All Jews” in one of his videos. YouTube doesn’t want someone like him representing their brand. That’s a business decision.
Oh
O h d a n g
youtube, don’t search this up