C of E abused children as well.
Then the sports coaches...
Paedophiles will seek to find roles which give them access to children.
If your idea is that these men raped children because they couldn't have sex with adults. That's really wonky.
You think that someone who is prepared to rape a child wouldn't be prepared to break their vows and have sex with an adult?
And of course plenty of priests have had partners, had babies etc etc.
If you want to change the rules take it up with the Pope. There are plenty of religions where you can devote yourself to God and also are allowed to marry etc.
Do you want RC nuns to be allowed to have sex and marry and have babies? I assume yes!
I grew up RC and I think globally they have done massive harm and continue to do so.
Have you considered that paedophiles were drawn to the priesthood because the RC church protected them, took no action against them, and continues to do so?