 What might the story be trying to point out?
And, what was more important, why she couldn't adjust herself to it, now that she was in. The ultimate should be the complete segregation of each specialization—social and genetic measures to make them breed true, because the unspecialized man is an uncivilized man, or at any rate he does not advance civilization. When you're in it, you don't much care what it is called; it is a place for punishment. She was in a detachment of three unfortunates like herself, convoyed by an irritable guard, climbing the steel steps toward Block O from the floor below, when she heard the yelling.
 It goes against human nature to try to segregate people, no matter how it's done.
 A society of specialized people would be incredibly difficult to manage, and ultimately inefficient.  A society of specialized people would be incredibly difficult to manage, but worth it for the work that would get done.  People will always try to rebel against the system, no matter what form it's in.  It goes against human nature to try to segregate people, no matter how it's done.