I agree....doesn't really matter whether it's 40k, chess, starcraft, or boxing.....the only way to win is to lose until you don't.
And that's the entire point of this tournament, right? Take the "hard cases" out and let the newer or less hard core players have a stab at it.
If you have any inclination at all to getting better (this isn't just about painting models....whcih hey, nothing wrong with that if it is) you should probably do this tournament.