C'mon man - that's why you cross load equipment. PLus, the ones that make it through airborne school are tougher than the average little person. Their muscle fibers are much more dense which makes them heavier by the inch - have you ever seen a fat midget?
NO
No you haven't - and we all know that muscle is heavier than fat.
A little paratrooper that is ripped from jacking steel in the gym is NOT going to drift off the DZ.
Also - since they have a lower center of gravi....
...since they are closer to the ground when they land, they don't get injured on jumps near as often as your rank and file knuckle dragger from the 82d
Pound for Pound - some of the best little paratroopers on the planet.