Sure thing. These people were both on his YouTube comments and on his subreddit. Tho I remember it being worse at the subreddit.

The issue is not that Nazis will watch his content, that's outside of anyone's control, but that his content funnels people into right-wing ideologies, which attracts these types of people.

The video "The PewDiePipeline" that I linked talks about this better than I could.