IMO the tension Peterson mentions here is a result of the left, mostly predominant over the past 5 decades, is finally experiencing a counterforce. Not speaking of Trump in particular, but the force that put him there expressing a disgust of the 50 year long direction of the country. The totalitarian left will not abide that.
Anyway, hopefully we'll get back to normative stupidity he speaks but only after certain societal and policy corrections have been made.