Earp, it's pretentious, preachy daftness.Peterson engenders so much hatred from the Left I am not sure they are really trying to listen to him on an objective basis. This seems to based on conservatives embracing his words. Perhaps Peterson started playing into it a bit as well over time. I wouldn't necessarily cite him on the science of climate change, but he might know something about the psychology of angst surrounding the topic.
He espouses traditional values and he seems to be a Christian. Christianity taken without the Church per se isn't a terrible philosophy for well-being. I never heard him say anything challenging the Canadian healthcare system, advocating lowering taxes, outlawing abortion, etc.
On the matter at hand, I don't think the Left is all that keen on porn but probably for different reasons than JP.
The fact that this jackass is purporting to tell people how to improve their lives by not viewing porn is intrusive censorship in the guise of "self improvement". Pretty much what ALL of Jordan's advice is.
How does he feel about prostitution btw? "Disgusting and unmanly" would be my guess.