I wouldn't, because I AM a nerd. I play Cho'Gath because he's a dinosaur who wears suits, and because I know the names of almost every known species' of dinosaur, and I wear suits.
gaming might not be the 'nerds-only' club it used to be, but it certainly still has its roots.
Believe me, I'd WANT Einstein to make a good champion. I play the brains character in every RPG ever.
But pro players don't play for badassery, they play to win.