Among all of the other vocations that Butker shit on in his speech, he was saying that nuns have been wasting their time serving God, and should have been serving a dick, er, a man instead.
"When a man has so far corrupted and prostituted the chastity of his mind, as to subscribe his professional belief to things he does not believe, he has prepared himself for the commission of every other crime."
For Christianity, by identifying truth with faith, must teach-and, properly understood, does teach-that any interference with the truth is immoral. A Christian with faith has nothing to fear from the facts