This idea is in keeping with the theme of the story that humans are?

Theme is a binding agent. It makes everything in a story stick together.

To state its theme is one way of describing what a story is about. To start finding a story's theme, see if there is a more or less generic concept that fits, like "reform", "racism", "good vs. evil". The theme of Shakespeare's Othello is jealousy.

Once this broadest sense of theme is established, you could get a little more specific