Certainly, Freud's rage against the dark forces gathering against him has something to do with his repeated references, throughout the book, to great men in history who go to their deaths vilified and ignored.
Civilization pays no attention to all this; it merely admonishes us that the harder it is to obey the precept the more meritorious it is to do so.
This struggle is what all life essentially consists of, and the evolution of civilization may therefore be simply described as the struggle for life of the human species. The oceanic feeling that motivates the development of the majority of the world religions is a result of the egoistic and infantile need for the protection.
Thus, he builds a relentless super-ego that fills him with guilt no matter how well-behaved he may be. The form of release is primarily sexual. It must present the struggle between Eros and Death, between the instinct of life and the instinct of destruction, as it works itself out in the human species.
Freud effectively demonstrates that religion is a product of the human mind.