Well there's the rub

If the heirarchy of the Church being full of assholes means that it invalidates centuries of Truth, then where are we. Either God built an institution to deliver His Truth, even if the individuals are flawed, or He didn't.

I have no problem if people don't agree with the Church on a host of issues, but at the end of the day, the Church has been more consistent in the teachings (not the actions mind you) than anything in human history. Sure we can abandon that, but to quote the great Mel Gibson movie.

"Why Should I Trade One Tyrant Three Thousand Miles Away For Three Thousand Tyrants One Mile Away"

I'm not convinced the other option is better.