If everyone's finished their daily wank-off to outrage porn, I'd like to talk about what's really happening here.
Pewdiepie is becoming mainstream and is now subject to the level of scrutiny and censure that other people in the mainstream view are.
This is why TV is so sanitised. Youtube used to be a Wild West nobody gave a shit about so you could get away with anything. Now, at least for the most visible Youtubers, that's no longer the case.