This is a great article. I think you got the right idea about the casual use of psychedelics. In low enough doses I believe that people can use psychedelics to get a competitive edge.
Good for high performance and great for emotional life and intelligence (intelligence being the ability to understand the surroundings).
I think LSD is tricky because it’s easy to have a very high dose by accident.
I believe mushrooms are more precise in terms of dose and more broadly available than LSD. But whatever works: works.