In WW2 most shooting was covering fire, not targeted shots. That means people where not aiming shots, but just firing in the general direction of the enemy. If

In WW2 most shooting was covering fire, not targeted shots. That means people where not aiming shots, but just firing in the general direction of the enemy. If the 80% would have done it, the positive would be the other 20% would have been much more effective with the only downside of increased ammo consumption.