It reflects a profoundly tragic aspect of human societies and the minds that can give rise to those societies that people like Goebbels or Goering could develop such an effective understanding of how massed humanity operates and yet develop no conscience about the manipulation and destruction of those people.
Reading their quotes is a chilling experience. Stop and think: what keeps us from that depravity? Did the Germans have less education, were their religious institutions stronger or weaker than ours? How exactly are we so very different?
Yes, I am recycling links from other posts. They just blew me away by showing how much a human being could know and not know at the same time.