[Wyrd bið ful aræd]

"Our view is that Rome left the Church through her insensate, and often self serving, doctrinal innovations."

Your view is historically unfeasible -- a reason not least of which being that doctrinal innovations were far more prevalent in the east.

[NRx]

That is a patently absurd statement. You are saying that Rome can’t be heretical because heresy only occurs in the East? Seriously?

[lightman]

doctrinal innovations were far more prevalent in the east.

The doctrinal innovation of the Filiogue originated in Toledo, which was about as far to the west as one could be in the ninth century.

Let's be honest: doctrine was a tool used by power hungry monarchs (like Charlemagne) who used the Papacy for their own geopolitical purposes.