Preist: It's horrible -- if men do not tell the truth, do not trust one another, then the earth becomes hell indeed.
Commoner: Absolutely right. The world we live in is hell.
-from Rashomon, directed by Akira Kurosawa
Fiction arises from the ego of Man. Self leads to the human desire for creation. The are many facets of self, hence, the multitude of human creations.
Whose stream of consciousness? The author's voice is not one, but many.