I didn't pull that all from the interview, I pulled it from:
http://www.imdb.com/title/tt0438488/
http://www.themovieblog.com/2007/03/batman-in-justice-league
http://www.firstshowing.net/2007/08/21/christian-bale-not-happy-about-justice-league-movie/
Everything else I'm sure you know about, but I'm trying to let you know I'm not just pulling this theory out of my ass.
Here's the timeline:
Bale signs for a 3 picture contract with the possibility that one of those is an ensemble film, with Warner Bros.
Rumors of a WB Justice League movie with Batman start last Fall.
Bale voices his opinions that he doesn't want the film to tarnish the continuity of Nolan's trilogy.
Bale options for a new Terminator film helmed by Warner Bros.
Justice League fades into a maelstrom of development, with a writer's strike, a bad cast, and no public demand or support.
Heath Ledger dies in January.
Two weeks after Heath Ledger dies, Bale is confirmed for a part in the new Terminator film.
This whole theory is based on events that have already happened, and his lack of enthusiasm in the interview only reminded me of it. Essentially, there's a good possibility that this new Terminator film is more political for Bale.
Think about it:
Bale wants out of Batman, WB tells him that they'll let him get out of Batman but only if he does Terminator instead. Bale agrees, and here we are now.
Also consider the fact that Bale is an artist moreso than a movie star, and most of the films he does aren't blockbuster material. When you consider the contract, it makes total sense. Why
else would he do a sci-fi action film helmed by the direction of
Charlie's Angels?