I don't think people forget what he was in for. Just that, as Nejde said, he paid his dues and now he is just ridiculous. Luckily he doesn't have any kind of platform these days.
Burzum is largely irrelevant today. Varg has become a parody of himself and even nazis don't take him seriously. I still won't give him any money but at least he's such a sorry fuck that he can't really hurt any1 or cause damage
