It absolutely is, i reject that completely. It's everyone's place to opine on it.
Guess, what, if you walk into a church and tell them why their religion is stupid, you'll get the same welcome you'd get in a Mosque. Maybe they'll try to argue with you, maybe they'll kick your ass, but they'll probably just ask you to leave.
It's still not your place to tell ANYONE else what they should believe.
Sure, but when as you so eloquently said, "boning Altar Boys up the ass" comes into play, what they profess to believe is irrelevant.
the right to the freedom of religious expression should never provide sanctuary to serial child abusers, low-lifes, and predators..