Simply put, Rome is not the final authority of the Christian faith, and most of the powers it claims is backed up by nothing.
That isn't the topic of this discussion and it hasn't been even been mentioned. When we get to the point of engaging in diversion, that means one side has run out of arguments and the discussion is over. Thanks for the chat, and have a blessed day.
Yes we are. We compiled the canon of Scripture back around 400 AD, 1100 years before the Protestant revolt.