Kurgan, I know of no Catholic who believes any priest who raped a child was shepherding their flock or living up to the noble calling of the priesthood. 

All Catholics believe as I do: to say that such a person is a disgrace to the priesthood is an egregious understatement.  Anyone who abuses a child--and especially a priest, should be castrated---then put to death.

Priest child abusers prove only that the priesthood is not immune from such evil people.  They do not prove that the entire concept of the Catholic priesthood has to be redefined to be more Protestant.  Protestant clergy abuse children too--or didn't you know that?