I think this result actually shows that a parachute doesn't increase death/trauma when exiting a non-moving plane from 2 feet up. So, worst case for parachute

I think this result actually shows that a parachute doesn't increase death/trauma when exiting a non-moving plane from 2 feet up. So, worst case for parachute wearers is that they are no worse off than without one. Parachutes are safe for use with regards to de-planing.