When NPCs are killed with hinge optimizations enabled, they inherit their poses and thus become 'statue-like'.
Currently we rely on hinge optimizations (ragdoll -> hinge when 1DOF) to workaround a limitation with Jolt's 6DOF constraint not supporting disjoint min/maxes for rotation on Y/Z axes.
When NPCs are killed with hinge optimizations enabled, they inherit their poses and thus become 'statue-like'.
Currently we rely on hinge optimizations (ragdoll -> hinge when 1DOF) to workaround a limitation with Jolt's 6DOF constraint not supporting disjoint min/maxes for rotation on Y/Z axes.