No, actually it was the original SSPX position. This is what Abp. Lefebvre meant by saying Rome was in Schism, and why they call the post-Vatican II Church the Conciliar Church, because they distinguish between an artificial construct of man, Vatican II, and Eternal Rome, Catholic Rome.
So, just as Bellarmine says a Pope can fall into heresy and cease to be Pope, I wonder if a Pope, while being suspect of heresy, proximate to heresy and materially schismatic in despising the rites of the Church that came before him, could attempt to remake the Church according to his own conception.
Strictly speaking it is impossible which is why the resultant edifice would necessarily be separate from the Catholic Church.
It appears that that state of affairs was predicted by Blessed Anne Catherine Emmerich-
“ "I had another vision of the great tribulation. It seems to me that a concession was demanded from the clergy which could not be granted. I saw many older priests, especially one, who wept bitterly. A few younger ones were also weeping. But others, and the lukewarm among them, readily did what was demanded. It was as if people were splitting into two camps.
"I saw that many pastors allowed themselves to be taken up with ideas that were dangerous to the Church. They were building a great, strange, and extravagant Church. Everyone was to be admitted in it in order to be united and have equal rights: Evangelicals, Catholics, sects of every description. Such was to be the new Church … But God had other designs. "
"I saw again the strange big church that was being built there in Rome. There was nothing holy in it. I saw this just as I saw a movement led by Ecclesiastics to which contributed angels, saints, and other Christians. But there in the strange big church all the work was being done mechanically according to set rules and formulae. Everything was being done according to human reason …I saw all sorts of people, things, doctrines, and opinions. There was something proud, presumptuous, and violent about it, and they seemed very successful. I di not see a single Angel nor a single saint helping in the work. But far away in the background, I saw the seat of the cruel people armed with spears, and I saw a laughing figure which said: " Do build it as solid as you can; we will pull it to the ground."
So If we accept this will happen, what do we really expect it to look like? Would it not look like exactly what we have, where we have essentially traditional minded Catholics and liberal Catholics?