He has to be for something to be right about it. He's not really for anything except exposing Gotham's corruption but not in a way that makes sense, and only really kind of by accident. He recovers notes from Gordon about the "truth of Harvey Dent." Bane later exposes the Harvey Dent/Two Face lie to the people of Gotham, as if it was his plan all along. But his plan was set into motion long before he discovered those notes, so I'm just going to have to conclude no. Bane was not right about anything, nor wrong about anything. He's just a cartoon villain who plans to kill everybody in Gotham, including himself. The movie just makes it appear that he's about more than this. A sort of deception on the filmmaker's part to make the movie's plot appear complex.