If you want people to use your authentication then you can not start banning accounts depending on which sites they authenticated against. What's next? "that po

If you want people to use your authentication then you can not start banning accounts depending on which sites they authenticated against. What's next? "that political site was not in our view"? If the offending site is causing issues they should just delete that oauth key and prevent the site from using "sign-in with github". How hard is that?