To be fair - they never promised to stop. Catholic priesthood couldn't have been made a better cover for a pedophile, if it was invented by a committee of psychopaths, for the sole purpose of raping children. Which it might have been, for all I know.
"The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one." - George Bernard Shaw