I never, ever got the impression that anyone who was Robin was capable of being Batman one day. They've been out of ideas for a long time. Sounds like red Hulks and blue Hulks, etc: not interesting. 'The Cult' is one of my favorite Batman stories, but it's also one that put a lot of people off with the kinds of violence you just mentioned. I'm fine with the really violent stuff, but only if the story is good.
"The Yangtze swallows all secrets..."