If his IQ is higher than the other contestants (according to him), then why was he the first to get fired?

David had no importance at all. Sam said it right when he voiced that David spent too much time in the classroom with teachers and not in the business world with the big-dogs. David was also annoying as heck when he distracted passerby in the first episode. C'mon Dave. If you are so smart, then why wouldn't you come up with something that would help your team to win a Lemonade task. You did not even believe in yourself. The fact that I did not give him a one is because he should not have been the first one to go because I think he would have done better in some of the other tasks.

He was so not important. No wonder he got kicked off the show first.

Guess what? He is ugly, he is a spoiled brat, and he looks just like Night Crawler from The X-Men!