Could the Pope be removed from office for lapses in judgment? While the question is brushed up against in What would happen if the Pope were to abuse his power?, that question focused more on heresy and the Pope's ability to make heretical statements under ex cathedra (i.e. The Pope instructs Catholics to practice open idolatry). My question is broader in the sense that any man is fallible and may make errors in judgment not related to doctrine that could harm the Catholic Church as a body. What options exist to remove a sitting Pope who has committed egregious errors that have damaged the credibility of The Church (and/or the position), but refuses to step down? Or is the position itself unimpeachable under all circumstances?
A valid Pope's subjects cannot depose him. That would be conciliarism, which Fr. John Hardon, S.J., in his Modern Catholic Dictionary as:

The theory that a general council of the Church is higher in authority than the Pope. It began in the fourteenth century, when respect for the papacy was undermined by confusion in Church and State. William of Ockham (1280-1349), in his battle with Pope John XXII (c. 1249-1334), questioned the divine institution of the primacy. Marsilius of Padua (1324) and John Jandun (1324) declared it was only a primacy of honor. During the great Western Schism (1378-1417) many otherwise reputable theologians, such as Peter of Ailly (1394) and John Gerson (1409) saw in the doctrine of the council's superiority over the Pope the only means of once more reuniting a divided Church. The viewpoint appeared that the Church in general was free from error, but the Church of Rome could err, and in fact had erred and fallen into heresy. The Council of Constance (1414-18), in its fourth and fifth sessions, declared for the superiority of council over Pope. However, these decisions never received papal approbation. In Gallicanism the conciliarist theory lived on for hundreds of years. Conciliarism was formally condemned by the First Vatican Council (1869-70), which defined papal primacy, declaring that the Pope had &quot;full and supreme jurisdiction over the universal Church, not only in things which belong to faith and morals, but also in those which relate to the discipline and government of the Church spread throughout the world.&quot; He therefore possesses not merely the principal part but &quot;all the fullness of this supreme power.&quot; Moreover, this power is ordinary or constant, and immediate or direct; it extends the Pope's authority over each and all the churches, whether local or territorial, and over each and all the churches, whether local or territorial, and over each and all the pastors and the faithful (Denzinger, 3063).
In more recent times, conciliarism has been renewed by those who appeal to a &quot;magisterium of theologians&quot; or &quot;consensus of the people of God&quot; against ordinary or even solemn teachings of the popes. (Etym. Latin concilium, council, assembly for consultation.)

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