That would be a good way to start giving religions power, the issue is then getting/keeping noble followers of King Bob's realm.
Duke Greedypurse has always wanted to be King. King Hereticpants has
clearly lost the favour of the Gods, as evidenced by the horrible, horrible curses on the land. Religion Sneakysummoners is
delighted to find a non-heretic to support to the throne...And if the Duke wins, then the religion has an in at the highest levels...