Buster, I think you may not understand why the anger at the bishops continues to fester.  Yes, the church has responded to the scandal.  It's put in place all manner of program to try to keep the laity from abusing children on church property.  And that IS good.  

But why that, when he problem wasn't the laity?  Where are the rules for bishops?

The simple truth is that growing up Catholic, we've been taught one thing, one ethic, one morality, only to find out that something was left out: we weren't told that this does not apply to bishops.  Yeah, if a bishop himself abuses and gets caught, he might be removed now, maybe, but that's about it.  What's underlying the problem is that so much of everything else it takes to be a good Catholic doesn't apply to these guys..  The trust has been shattered.

The question becomes then, how to restore it.  Programs put on everybody else just fall short, and leave a hollow, emptiness in their place - that place where trust should reside is empty.