I also think it can be the other way round too. Like I use this amazing app called Smart youtube player that works best if you sign in with your YouTube id. Now

I also think it can be the other way round too. Like I use this amazing app called Smart youtube player that works best if you sign in with your YouTube id. Now this app breaks some rules like skipping ads which may voilate their Tos which can put your account in jeopardy also.