You can spin stories out of the ways people understand and misunderstand each other.
One important theme is the extent to which one can ever correct an error, especially outside any frame of religious forgiveness. All of us have done something we regret - how we manage to remove that from our conscience, or whether that's even possible, interested me.
I think of novels in architectural terms. You have to enter at the gate, and this gate must be constructed in such a way that the reader has immediate confidence in the strength of the building.
I wouldn't mind being the lead guitarist in an incredibly successful rock band. However, I don't play the guitar.
It is not the first duty of the novelist to provide blueprints for insurrection, or uplifting tales of successful resistance for the benefit of the opposition. The naming of what is there is what is important.