Good points. Also, I think most of these heretics are actually quarreling with God and not so much with the Roman Catholic Church. They see that a Priest sinned, and claim that unless all Priest are without sin than the Church Jesus created is flawed beyond redemption. They forget that all men are flawed and that no Church can be run by humans who are without sin. They declare their love of God and speak maliciously of fellow Christians, even claiming that Catholics are not Christians.
In your mind; what would be ANATHAMA?