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 SmileyA theory of creativity is actually just a metaphor. A pool of ideas, a well of memories, a voice.
Jane SmileyA novelist has two lives-- a reading and writing life, and a lived life. he or she cannot be understood at all apart from this.
Jane Smiley