Well your right the flow is laminar. But to have a good flow besides the abstence of scratchs and dings you need the proper boundry layer. Correct me if I'm wrong,that is the layer that holds the unmoving water. Remember the hull does not sit at a static attitude. It is constantly moving up and down. Wax repels water. That tends to introduce air in the area of the hull that is moving in and out of the water and disturb the laminar. Now that might seem like a small thing to worry about to some but when I spend the time on everything else to make sure it's in top shape I'm not going to smear wax all over my hulls.

Just point out the importance of the boundry layer, you might remember the 3M material called riblets that was applied to the bottom of Stars and Stripes. It was a textured material that held water,thus improving the boundry layer. I built custom sailboats and they are painted with Imron or awlgrip. Finishes which don't require wax. For a while I had a 100 grit finish on my boat and I swear it was the fastest.

If your coming by the causeway to race I encourage you to wax up real good.

Have fun
Mike