After all, what kind of 'god' can't protect this holiest of holies, an object that he requires everyone bend over and worship five times every day.
One that is so crucial that every True Believer must make at least one physical pilgrimage to visit in order to be in good grace with their pig-dog-god.
Yes, short term there would be a bloodbath the likes of which the world has never seen short of a Biblical Prophet's nightmares, but that will die down in less than a century.
The alternative is to have a much worse bloodbath spread over several millenia.
Right now we are cutting the minor heads, and are dismayed when new ones grow to replace them.
We need to kill the multi-headed dragon at its core.