He always was so darn friendly, that's the thing which drove me mad when seeing the movie for the first time.
"Would you like to play some chess while I set up the self destruction?"
And, one has to be fair, he always set up the systems correctly, he just got rid of all the humans on board. Minor software flaw. ;D

Did those guys any better though?
http://www.youtube.com/watch?v=Hh_shsRfXqk
starts at 00:26