I think that's a modified belief that Popes can be wrong. I think the more correct rhetoric is saying that the Pope can be wrongly interpreted.Saying it doesn't make it true. Popes can be wrong. It doesn't make them invalid.
Or would you prefer, wrongly represented?
Or would you be sticking with a Pope being valid and wrong, together at the same time?
Or do we have to revisit allegory, rhetoric, and embellishment again?