The solution for me, in this specific case, would be for Beato to act against YouTube and take his channel elsewhere. He has enough followers to be able to start his own Peertube server, find a few sponsors and keep going forever.
Businesses/creators need continued distribution, see Nike as an example of what happens when you "take your audience elsewhere to monetize them better/more."
1. People buy the other option (in Nike's case they kept going to footlocker and buying other shoes rather than only buying Nike DTC, in Beato's case they would continue to go to YouTube to discover new guitar content)
2. The business can't get new customers because no one is on the new platform (Nike DTC/Peertube)
It's viable for a split second (covid, "stick it to Youtube cause they suck") then people just go back to living their lives.
He's in a unique market position though because he's got industry respect. Joe Bloggs in his bedroom can't compete with "guitar content" because Dave Gilmore, Pat Matheney and Glynn Johns aren't all going to sit with him for a 2 hour long interview.
People are lazy. If you add even a small complication for people to consume content, then it doesn’t matter how much respect that content creator has, people will just follow someone else instead.
Google knows this; which is why they can screw over content creators on their platform.