Authentication and Federated login shouldn't become the same thing, and FIDO doesn't move us closer to that. There's not a scenario where this becomes "silently

Authentication and Federated login shouldn't become the same thing, and FIDO doesn't move us closer to that. There's not a scenario where this becomes "silently login to Facebook and silently provide consent by clicking login" - users will still have to consciously click on "login with Facebook" at which point they can use FIDO to login to a Facebook property.