Here's another scenario: Bergoglio converts to traditional Catholicism and gets validly ordained/consecrated but rejects BOD and affirms strict EENS. Meanwhile, Vigano converts to totalism, gets validly ordained/consecrated, affirms BOD and rejects strict EENS and then gets elected by Burke and a couple of other conservative Novus Ordo cardinals/bishops in a non-canonical election. How likely do you think the USA Guerardians will stick to their guns and accept Bergoglio's claim over Vigano's? My guess is that almost every traditionalist of whatever stripe will throw out their theses and go running into the arms of Pope Vigano.
This hypothetical scenario illustrates a fundamental problem which, I think, you touched upon earlier in your responses to Laszlo regarding the interpretation of St. Paul’s anathema to those who teach another gospel.
It’s an epistemological question which is often overlooked in these discussions. I’m glad you brought this up.
Are individuals capable of objectively obtaining certainty and apprehending facts on matters of religious questions without the need of authority as an intermediary?
If yes then the magisterium serves more of a function akin to defensive legislative and interpretive powers to protect what is already known by all who are competent, as Vatican I seems to suggest: “For the Holy Spirit was promised to the successors of Peter not so that they might, by his revelation, make known some new doctrine, but that, by his assistance, they might religiously guard and faithfully expound the revelation or deposit of faith transmitted by the apostles.”
If no then we are in a precarious situation in which we’ve rejected the very authority that gives credence to the fundamental principles which underlie our Faith and subsequent beliefs.
The former still poses a major problem though. How is it that we can affirm for the individual the power to discern and conclude matters related to doctrine and authority because we believe in an objective truth yet be at odds with one another using the same principles and resources?
Stated another way, how can you and I look at the same evidence and come to different conclusions while simultaneously affirming an objective reality that transcends the individual’s perceptions? This is the case even when the two parties are roughly equally learned and intelligent.
EENS, NFP, Sedevacantism, R&R, etc. are all examples of this complex phenomenon.
You mentioned something very interesting as well regarding Sedeprivationism. Whereas the Totalist “deposes” the prelate, the Guerardian “de-formalizes” him by his own conclusions and conscience. The R&R simply “resists” the prelate when not in agreement with his own understanding of the belief in question. In turn, it returns to the individual even in cases where what’s being interpreted is settled magisterial content by prior legitimate authority.
Its a major philosophical conundrum that needs to be addressed before we delve into these issues.