You presume the magisterium has preserved the tradition rather than just making stuff up along the way and declaring it dogma ex cathedra. Who "wrote the bible?" You think *your* church wrote it? Sure, they compiled the books, and did a pretty good job of it at that. Nevermind all that, the petrine doctrine itself is pure drivel, latched onto by a self-interested administrative elite acting only in the empire's interests. Don't even get me started on Romans 13