23rd August 2009, 10:51 AM
I think you're ignoring the "fi" half of sci-fi. It's a movie, it doesn't have to make sense. It's good to criticize, and I could come up with a couple, but if you get into the arena of "that wouldn't really happen", you're just going to ruin the movie for yourself.
The Earthworker Race has ended. Everybody wins.