From the page: He does exactly what he is told even if it puts his life in danger.
He does exactly what he is told even if it takes the lives of innocent civilians. This says more about the people pulling the soldiers strings than the soldiers. The soldiers are just brainwashed to do as they are told without question. The people who they kill pay the price with their lives. The soldiers carry the guilt for the rest of their lives. Where do you think PTSD comes from?