I think that running a YT channel large enough to support yourself has problems of equal magnitude. I also think that depending on making money from YT impressions rather than trying to develop other means of monetizing your videos (merch, embedded sponsors, patrons, community servers, digital assets, etc) is pretty risky, given YT's track record of radically restructuring and cutting payments and Google's track record of screwing over everyone who ever counts on them. It only takes a moment to get de-platformed for literally no damn reason. It's worth the effort to try it. All a creator really has to do is say, "it's okay if you mirror this content on PeerTube." That's not a lot of work.