Idiocracy
xkcd.com
xkcd.com
If you want actual evidence check out this blog post: http://www.gnxp.com/blog/2009/06/tfr-by-class-and-nation.php The differences in fertility rates by class in the developing world are absolutely stunning. I'm increasingly thinking that these fertility rate differentials drive the never ending growth of third world slums.
People of moderate wealth and/or intelligent love to look at everyone else as an idiot. I've never heard a brilliant person complain about the common man, only people who wished they were brilliant.
edit: I feel douche-ish for saying top-tier CS student. I was just trying to reflect that it's the opinion of most of the people there (whether justified or not)