Today I tried to open the Youtube for tv app and found I was logged out. When attempting to log back in the “sign in” button acts as if it had no function. I’m holding out on things to do before I factory reset to see if there’s a better solution or Googles fault that a FR wouldn’t solve till they do. A run down that I’ve tried so far were : 

-	typing “sign in” in Youtube app : no response in terms of getting into account 
-	opening the Play Store to see if I’m logged in there : showed apps that needed to be updated (none being youtube) no apps updated just stayed forever pending 
-	rebooted : changed nothing 
-	went to accounts settings and logged out : logging back in only refreshes the page and asks me to log in again as if the first few tries never happened.

Forced out of Google Account