Thanks
My son hits from both sides and has had good success doing it. However, I frequently wonder if he would be better right-handed (his natural side) than he is either way today. That said, there is no questions that his ability to hit from either side has created many benefits. He has stayed in games when coaches have gone to a righty or lefty lineup, it was part of the reason that Major League organizations liked him twice in the draft. He never sees a breaking ball move away from him, etc... Keep in mind that in addition to the extra work it takes to be successful as a switch-hitter, you become mostly a left-handed hitter since there are so relatively few left-handed pitchers. It is an interesting proposition with no clear-cut answer.
I also will say that it seems that much of what Charlie Lau taught is not regarded with the esteem today that it attracted 30 or 40 years ago.