Given that Catholicism (like other religions) has wholly retreated to and now lives only in the area of "questions that have no answer", yes, it has no basis in reality. Nothing in Catholic dogma is independently verifiable. For example, the justifications around the eucharist literally being the blood and body of christ require some truly incredible mental gymnastics, and this transubstantiation is a core element of the faith. Yet strangely, the bread and doesn't literally change into the flesh and blood for the Protestants...
So where does the 'useful dialogue' start? I think it starts well before we just give moral authority to a bunch of very old men arguing about rules that only they made up. They should give us a better chain of authority than "since time immemorial".
So where does the 'useful dialogue' start? I think it starts well before we just give moral authority to a bunch of very old men arguing about rules that only they made up. They should give us a better chain of authority than "since time immemorial".