I totally agree, but there simply isn't a good competitor to YouTube, so they're stuck. I know LTT (Linus Tech Tips) have tried to divest their content so its available on multiple platforms, but the one they used that was paid and ad free shutdown cause it wasn't profitable. They've now set up their own I think which other tech YouTubers also use.
So some are trying to get away from YouTubes monopoly but many cant.
The channels do seem to split into other services on groups. Educational/explainer creators went to nebula (not sure who led that one), comedy/entertainment went to dropout.tv (from CollegeHumor), tech went to floatplane (from ltt), etc. There will be more of those and I can't wait to see who embraces/monetizes p2p first.
So some are trying to get away from YouTubes monopoly but many cant.