Originally Posted by The Joker
That's your personal interpretation of it. Meaning your opinion. Nothing more. David Goyer said after TDK came out regarding whether Joker would have been in another movie, and I quote "If Heath were still around, and there was to be a third movie, I think it would be a no brainer".
You're a better man than me, asking posters to provide evidence substantiated by the movie
has gotten tiresome. I now just read the conjecture and scroll to the next post, glad you're still carrying the torch though