In all seriousness, that clip is about as serious (and fun!) a Batman film can be. The Burton films are good, too, but their style makes them no more "serious" in tone.
It's just silly fluff that people should enjoy watching. I can't do that with The Dark Knight; nor should I, if I wish to take its makers' intentions seriously.
...dot com bold typeface rhetoric. You go clickety click and get your head split. 'The hell you look like on a message board Discussing whether or not the Brother is hardcore?