Well, playing short-stacked is by no means a german strategy Even Sklansky wrote a chapter about it. While playing deep-stacked is probably more profitable for a good player, the SSS lets beginners avoid post-flop play. AFAIK playing short stacked indeed has +ev, but you won't improve your skills that way (since this style is pretty bot-like).

Knowing it certainly is not a disadvantage for deep-stacked players, because it gives you some more tells