The more RCs appeal to Scripture as if it were the basis for doctrines which in fact Rome channels these out of her amorphous Traditions of men (even those which tradition-based EOs disagree with) - not on the basis of the weight of Scriptural evidence - then they more it reveals that these are based on the premise that Rome of being the .one true infallible church, the very thing that they seek to prove by invoking Scripture and Tradition.
On the other tread Staples tries to argue for the validity of Rome's claims by using a means Rome rejects as a basis for assurance, that of examination of Scripture, and must do so by divesting Scripture of its Divine inspiration, since only Rome can authoritatively affirm this, and making assertions (that rely on the premise that Rome is supreme, they very thing he needs to and cannot substantiated, despite his egregious extrapolation.
And why do care what the True Church believes? You have your own little cult, be happy! Hey, does your cult actually have a name, or is it just you and the few who listen to you?