Originally Posted by Llama_Shepherd
People aren't suggesting it because it's not a good idea. I'd rather have a good actor than an MMA fighter. It's easier to convincingly gain Batman's body than it is to convince the audience that you are Batman. Which is why when you see even the very dedicated cosplayers who don't just dedicate their time to costumes but their bodies to their character, still do not look like Batman.
No one other than Keaton was convincing either. They were all terrible Batmen, and a few of them, especially bale, were great Bruce Waynes. The guys are essentially Bruce Waynes trying to convince us they are Batman. But even Batman himself is the opposite. He's Batman trying to convince people he's Bruce Wayne. You all make it sound like it couldn't possibly work, but it's actually logically sound casting....and I have seen him in a lot of great action films...he's a pretty decent actor, enough to nail it with proper dedication, not terrible like some of you seem to think.