Last two weeks every time I use Piped I am getting error “Sign in to confirm you are not a bot”. It happens on every instance and videos work very rarely. It seems like Google enforces you to log in if you try watch lot of videos from one IP. I hope this will not be end of Piped and there will be solution for this problem.
Upd. I got similar problem on Invidious recently
It happens once in a while. I would continue moving instances or using over services.
Google is actively attacking so it takes time to come up with a defense. In the end Google is just making us stronger. What doesn’t kill you makes you stronger after all.