I'm pretty sure he means Phillip DeFranco, a smug YouTuber who we're better off not being associated with. We're talking about child rape dungeons here; this isn't the kind of subject matter for a metrosexual guy who makes reaction videos and does internet challenges to be discussing.

big youtuber, one the main news sources thats overtaken the old MSM. means that the news has reached the "mainstream" of the youtube news circuit