Igonorance isn't always neccessary bliss. Maybe only bliss to those who don't care (not neccessary in the bad sense) about how people think about their photos.
in the sandman series (i suppose only those who have read it) - i think in a particular spinoff graphic novel, dream, in a competition with desire made someone believe wholly in his mind and his mind alone that he was the king of london.
he became an attraction, and he died the happiest man on earth, celebrated by all his "loyal subjects". he was really happy. but that was ultimate ignorance. there can never be ultimate ignorance in reality.