As Bernard Shaw wrote:: ” What really happened was that the impact of physical death and destruction, the one reality that every fool can understand, tore off the masks of education, art, science, and religion from our ignorance and barbarism, and left us glorifying grotesquely in the license suddenly accorded to our vilest passions and most abject terrors”.

{Heartbreak House]

Do you find here an echo of Freud’s theory in Civilisation and Its Discontents?