Why would so many bother watch that?
I think this is probably the biggest disconnect I've seen with this community, in my time here. Players here don't seem to comprehend that there's a difference between what they (the average AH player) like and what aviation gamers in general are attracted to.
Your youtube links to other channels shows this too. The channels that have Aces High content with the biggest number of views are:
- vuduvince with 358k views (who plays games other than AH)
- horble/herptyderpty with 124k views (who plays mostly IL2)
- skyyr with 96k views (the only one in your list with almost entirely AH content)
- dolby with 95k views (who plays a ton of other games and most of his AH content is very cinematic)
There's a theme here. The top AH channels in your own list have mostly non-AH content, and the one guy that has almost entirely AH content was told that his content wasn't what here in AH people liked (montages, combat highlights). So pretty much, the most popular channels have content that the players here say is uninteresting: other sims and games, and competitive-focused fast-paced killing.
That should tell you what people enjoy watching, outside of the echo chamber here. People like modernized, graphic intensive sims, cinematics, and they become invested in actual competitive gameplay.
YouTube tells you what people are looking for. You have to match your content to the viewers if you're trying to attract more, not-vice-versa.