Decent post. There may be some truth to what you say re: the outside pitch w/ REALLY afvanced hitters (I'm actually not sure). But thought provoking.
Again, relating to actually training kids to hit:
Will be a disasterous cue. Basically analagous to using the word "push" in ANY cue to a kid. The result will be heinous.Throw the top hand through the center of the ball.