He isn't the only one that just started paying attention to it
Hell i just now read tip of the week number 2 from Nate and went, ohhhhhh ya agil + dagger = Good
Tip #2: Some weapons get attack bonuses from a higher strength while other weapons get a bonus from a higher agility. When trying to determine which is which, ask yourself how the weapon is typically used in combat and that will most likely give you your answer. Here are a couple of freebies - A Rapier is going to get more benefit out of a higher agility, and a Mace is going to get more benefit from a higher strength.