Every novel deals with social problems. It can't help it because the protagonist must come in conflict with his group. So the author has to offer an analysis of how the group and the protagonist fit. Otherwise, the reader will just say, "This makes no sense," and will put it away.
Jane SmileyI readily admit it is easy to make of horses what we will. Silent, in some ways reserved, they allow us to train them, and to project our ideas upon them; to ride and drive them, and to make them symbolic, perhaps to a greater degree than any other species.
Jane Smiley