It appears to specifically be "Sign in with your Cable Provider." They list the providers and fuboTV is not one of them. EDIT: I was wrong! I used "search all

It appears to specifically be "Sign in with your Cable Provider." They list the providers and fuboTV is not one of them. EDIT: I was wrong! I used "search all providers" and indeed, fuboTV was listed there, so I signed in with the credentials and it seems to work. Thanks for the nudge!