My problem with disarms in 3.0/3.5 was twofold:
a) players/NPCs who were optimized to disarm reliably did it *all the time*. I was in a game with a player whose first action against foes wielding weapons was *always* to disarm
b) disarming is too situational; a PC designed to be the Disarming...
Re: Does your Single-classed Wizard attack Giants with his greatsword?
Probably one like the one that I play in. It's fairly standard practice for anyone with the means to attack my wizard (bows, spells, tumbling, etc) to whomp on me before they mess with the fighters and clerics. I suppose...