While it does help TWFers, sure, it doesn't hit the root of the problem. The fact is that in D&D, dexterous, intelligent, or any other fighter lacks any substantial advantage over the strong guy. In real life, dexterous people would get more situations to hit, would hit more precisely and would be good at maneuvers such as disarm or trip. In D&D? Those are all done with strength. Hell, dexterity requires a feat tax just to be able to hit people, and apart from really specific spells/prestigeclasses, intelligent fighters can't hit a barn's door.
If we were to start fixing this..
A: Each character gets Weapon Finesse as a bonus feat.
B: Add your BaB to weapon damage.
C: Trip and Disarm are doable with either strength or dexterity.
D: Add your dexterity bonus to attacks as precision damage.
And we'd probably need more options still, especially for the intelligent fighter-type, and the wisdom-based guys should get something, too. Everything has charisma to everything and lolimperviouscommand, so I think cha-based is about fine. Still, might need some help.
Next up, strength-based casters.