You have not dealt much with Asians in business situations, have you?
You'll need a lot more patience than THAT!! :-)
We really don't need them badly right now. This is a gesture on the part of South Korea. They will have plenty to do when they finally get to Iraq, even though Iraq will be in a post-Saddam situation by then.
There will still be terrorist activity, just like in Afghanistan, as the rabid Islamakazis trickle through the borders.
The gesture is welcome and appreciated. Every individual sent by coalition allies, even if they are sent after the main fighting is pretty much over, frees up that many coalition troops to deal with future situations as they occur.