Well Duh!
Maybe you just didn't have any vDallas's in your day.
I never... not once in 10+ years of flying AW and AH... received a taunting PM from someone who shot me down by picking. Perhaps you're doing something wrong. People who read these forums know that you're easily flustered and tend to run to the forums to complain. The incentive to try to get under your skin via PM is really too much to pass up for some. Look at this thread as proof - what a great signal to noise ratio for the picker who PMed you.