The “Christmas tree affect” has overburdened the operator with equipment that is not designed to work as a complete system. Backpacks with waist belts are slow to ditch, so the belt is frequently not used. "Embrace the Suck" is what the guys are told.
That was the old design. The new design solves those problems. You get on target faster, with less fatigue. Quick ditch lets you outmaneuver, engage and destroy the enemy.