They must learn to submit to the authority of the Bishop, who is the local voice of Rome.  Their salvation is completely subject to his will, so they need to do as they are told or he can bind them here on earth and then God Himself will have no choice but to toss them out with all the Anglicans, Muslims, Rock Musicians, New Agers, and Others who fail to Accept the Teachings of the One True Church.  Its harsh, but that's the way God set it up, in His mercy.