YouTube doesn't seem to be interested in hosting any content that isn't manufactured from a giant media corporation or just vapid clickbait entertainment. Just take a look at the trending tab to see what YouTube wants to promote: http://youtube.com/trending It's worth noting that "Trending" is curated by YouTube itself, and is not an algorithmically determined set of videos.
Clickbait entertainment is probably over represented but that's also a kind of video who receives a lot of view at the same time which what "Trending" means.
Source: used to work next to the Trend team.