It is of extreme importance if you want to go up against the kids at the best clubs (@FlippinLilysMom
). The best clubs have perfected the handstand and it allows them to be much more consistent at high level bars than most clubs. This type of club has the ability to take literally ZERO deductions on handstands and ALWAYS be in control.
Ok... in the image below... E & F are the worst errors possible. The body is not "stacked" at all so it becomes very difficult to teach upper level turning skills until this is fixed. I would attack these positions immediately on any gymnast doing it this way.