Your right with that and I guess it's relative to the size of the dimples. The porus side lifts easier because the contact patch is so much smaller than the smooth side.
I think the dynamics change when water is passing by something at 80 mph as compared to being static?
Only one way to tell make yourself a little test bed and video tape it, I don't know what will happen - maybe it works?
Debating a tech issue as you know only goes so far, you have make it and test it to get real data whether it is virtual or physical testing.