If Peterson is not of your like, you could still take a look at some of the papers and studies referenced in the article from credible sources[1][2], before drawing conclusions from an unrelated subject (whether or not he read the Communist Manifesto).

[1] http://science.sciencemag.org/content/362/6412/eaas9899

[2] https://www.sciencedirect.com/science/article/pii/S019188691...