By the unprecedented intensity of the finale's rhetoric, by the multitheism of its symbolism — the Greek mythic signposts, the Christian-medieval gestures embedded in the Andante maestoso, and the orientalism of the Alla marcia's Turkish Music.
This forceful imposition of monotheism and impossibly high moral standards on the slow evolutionary process of multitheism in which people were still learning to live with their gods created guilt, anxiety and fear of the new god.