The answer is multilevel: only superior coaches know how to teach a good 1HB. It's easier to learn a 2HB at a young age. It takes longer to develop a 1HB; ergo, results will come later and many know-nothing parents don't want to wait.
The vast majority of tennis coaches don't know what to f... they're doing as it is and you expect them to teach a sophisticated shot like a 1HB? Come on! Why not a heavy American twist on the ad side while you're at it. What's the percentage of coaches who could teach that one?
Last edited by TheCanadian; 12-06-2012 at 06:45 AM.