Maybe the juxtaposition interested me more than it should have, thus betraying my frequent problem that, having taken lumps (upon myself?) for liking some things in the face of broad disapproval, when I see something get widely and forcefully praised before I've had a chance to form my own opinions on it my hackles go up... Still, I can see "Palpatine and Vader" resonances in The Dark Knight, for all that I still prefer Star Wars's treatment of the theme.