In short, because Leftism is the theory that truth is impossible, and reason is a hate-crime, it requires self deception. Because self deception provokes guilt and humiliation, the self esteem of the Leftist is continually uncertain. Because it is uncertain, it must be uplifted. The only emotion loud and broad enough to smother the powerful emotions of guilt and humiliation is the uplift of sanctimonious pride, pride in one’s own perfect righteousness.