No the Pope is not infallible and you can disagree with the Pope. Sure. But you cannot use that as a cop out to turn Catholicism into an arbitrary Protestant sect where you make up moral values as you go based on your political inclinations. The whole point of Catholicism is that you have a whole institution whose job it is to guide the Church. If you believe you know better than the clergy on every single topic, you are by definition a Protestant. Lots of these Protesting Catholics have worldviews that are entirely incompatible with the fundamentals of Catholicism, but they do not want to drop the Catholic aesthetic, because it gives them an air of superiority over their fellow Protestants which they look down upon.