For millennia, organized religion acted as the primary censor. The Seven Deadly Sins are, essentially, a list of primary instincts: lust, gluttony, greed, sloth, wrath, envy, pride. To be civilized was to suppress. The monastic ideal of chastity, silence, and obedience was a direct war on the Id.
The term non flouté (unblurred) is particularly visual. In media, blurring is used to hide nudity, gore, or violence. Psychologically, blurring is what society does to raw emotion: we "soften" anger into passive-aggression, lust into flirtation, fear into anxiety. To return to the unblurred is to refuse translation. It is the difference between a cry of pain and a clinical description of pain. For millennia, organized religion acted as the primary
In humans, primary instincts include: