I know it's east to say in retrospect, and when you're watching a tv show and see all the confessionals, but why didn't they all just vote for Bushie to walk the bridge?
a) He deserved it
and
b) he was the one person who would be guaranteed to share the money amongst everyone. He didn't even want money beyond 20 grand to buy his daughter a car.
(A possible answer is that some didn't want the money split evenly, they were pinning their hopes on their chosen person only splitting it with them or a very small group. And a couple didn't seem interested in 'winning' anything at all).