Why does everyone always write Clark as a total idiot and fool?
Because this version of Clark doesn't have Lois Lane in his life (at least, not until now.) This Clark has never had to be sneaky, never had anything he couldn't get or do by bulling in there with super-strength and super-speed. He's never had to pick locks, or come up with cover stories (other than the usual Big Secret, and we know Clark makes very lame excuses.)
Lois is much better at thinking outside the box. Once Lois finds out everything and starts being his partner, I'm guessing that Clark will become a lot smarter.
