[TheGeezer]

When disobedience is an instrument of heresy, when one denies papal teaching authority as one disobeys, disobedience is a heresy. Why claim to be Catholic if one disobeys because one finds the pope's teachings not acceptable? At that one point is a protestant.

[TradicalRC]

Why claim to be Catholic if one disobeys because one finds the pope's teachings not acceptable? At that one point is a protestant.

Is one to submit to the authority of all the Popes or merely the current shepard on the throne of Peter?

[Dajjal]

Historical point: Both Pope Nicholas II and Pope St. Gregory VII attempted to abolish the Ambrosian Liturgy. But many faithful Milanese priests disobeyed the pontiffs of those times and continued to say the outlawed Mass. It is only because of their efforts that the Ambrosian Rite has survived to this day.

Ambrosian Liturgy and Rite: History