Part of the decision to move to the intermediate 5.56 round was that it was far more controllable on full-auto than the M14. The Army wanted soldiers to be more Pittsburgh Penguins Peanuts characters players shirt at spraying bullets at the enemy in the jungle on full auto, does that sound like a desire to not kill the enemy? The 5.56 was developed because the Army wanted a smaller lighter cartridge based on the .22 but it also wanted the bullet to maintain supersonic velocity as 500 yards and be able to penetrate a ballistic helmet at that range. If the goal was to injure and not kill, why would they want it to be able to penetrate helmets? Does that sound like a desire to not kill the enemy?