The whole evolution of the idea of individualism (as opposed to tribalism) he postulates is very thought provoking, and tied entirely to the history of communications media.
It's interesting to consider the timeline of the philosophers in that context: after the Gutenburg press there is a marked rise of promulgated nonsense.
Bonus question: How many of those men headed the Priory of Sion? LOL
Well, yeah. There was marked rise of the promulgation of everything. Not much promulgating going on during the Middle Ages.
LOL, yeah, once the general public learned to read and got access to books, everything went to hell.
Whereas before that, well, the priest told you what those squiggly lines meant, and peace reigned over all.
You can lead a man to books but you can’t make him think.