It'll keep continuing until you get one FPS and no audio without paying for premium.
Not that this is a hill I particularly want to die on... But YouTube isn't free. I understand absolutely of course there are operational costs that need to be covered. Even if it is operated by one of the six companies that control the world.
But if I sit through a torrent of ads. That's my payment. Never mind the brokering of all of the personal information it can glean from devices watched on and location etc...