I don't think they would do this, seems easier to just make the videos not play. My guess is at some point they show a message like you need to get a youtube p

I don't think they would do this, seems easier to just make the videos not play. My guess is at some point they show a message like you need to get a youtube premium subscription to keep watching without ads. Same with some news sites now which ask that you subscribe if you are blocking ads.