He's not the only other one - As this topic has come up about 4 times in the past two years, I've been a very strong opponent to the unequal throw.
Every single C-carrier that I have has been filed/dremelled/sanded/ground/planed to the same size as the other. It's a stupid "theory" and I don't think it has basis in fact, only to cover a screwup that they just never fixed.