It like saying you drive a used Honda Civic and cant understand what you get out of a more expensive car. Sure, they all serve the same purpose, but they do it in very different ways. I play a DW 5000 on my practice kit, and its a good pedal, but it has a looseness that I have never cared for. My gigging pedal is a DW 9000 and it is solid as a rock. I have played 10-15 nights in a row and never had to think about it. Another factor is that a backline pedal will feel exactly the same as the one I play every day.