Customer Satisfaction

So, like an idiot, a couple of weeks ago I went into my local GameStop and put in a preorder deposit on Dragon Age: Origins. At the time, no one bothered to ask whether I wanted the regular version or the Collector's Edition. When I went to pick it up, naturally all they had was the regular version, because only enough to cover the preorders were shipped to the store. As far as I can tell, this was also true of the regular version, since there were none out on the shelves.

And yet, somehow, the Best Buy not 200 yards down the street managed to have plenty of both versions on the shelf, available for anyone to just walk in off the street and purchase. So I did, and got my preorder deposit back from GameStop. Neither the poor clerk, nor the store manager standing next to him, even bothered to ask if there was anything they could do that would let me leave the store satisfied (not that there was, at that point).

Now, there are plenty of places to buy video games. Why in the world would I even want to set foot in GameStop ever again, when they clearly (A) aren't interested in selling new releases to walk-in customers; and (B) don't much seem to care about customer satisfaction in general? What does GameStop offer that I can't get anywhere else, with none of the aggravation? What kind of business strategy is this?