looks like rendering adblockers extensions obsolete with manifest-v3 was not enough so now they try to implement DRM into the browser giving the ability to any website to refuse traffic to you if you don't run a complaint browser ( cough...firefox )
here is an article in hacker news since i'm sure they can explain this to you better than i.
and also some github docs
If they go after NewPipe and SmartTube I'm going to shill hard the alternatives.
There are alternatives for YouTube? PeerTube is great tech and all, but content is really rare there.
Yeah is the only good alternative.