Experience does not give you wisdom. Wisdom comes through liberation of the mind. And since most humans live a conditioned life, they never get liberated in the first place, hence they never even have the taste of wisdom.
Does one need to deceive oneself, to understand self-deception! If not, then why do you deceive yourself, by conforming to the social labels, be it a religious label, a non-religious label, a nationalist label, an intellectual label, or a gender label.