FDA joins me to cover to two popular Roman Catholic lists as to why they are not Orthodox: first is Brian Holdsworth's popular video and the second is Knowland Knows' list of top 8 reasons. We will first kick off the first section clearing up the confusion many RCs have making the category error that a papal office will guarantee doctrinal and theological certitude. This is question begging and simply moves the problem back a step: the exact same mistake foundationalists make by asserting their starting points are ad hoc self-evident.