Yes, some of the local bishops covered these crimes up. There are many things about America, and Ireland that I do not understand - and how this cover up was allowed to happened is one of them. It's honestly disgusting to me.
But your assertion that you'd leave an organisation that covered these things up seems a tad lip service. You are aware that cover ups of this kind have happened in schools, armies, orphanages, jouvinial detention centres, day care centres, aid organisations etc. etc? Everywhere adults are put in a place of trust over children, paedophiles will gravitate - and everywhere these crimes occur there is a chance that friendship, money, avoidance of backlash or some other thing will lead to a cover up.
The moment these services or organisations are disbanded, that's the moment I take your post seriously. Otherwise, lets face it - if you really think an organisation is a force for good things in the world, you wont let criminals and their buddies ruin it for the rest of it.