The author is one of the biggest self-help book writers. Perhaps his self-help book sales started declining and he decided to pivot to some kind of anti-self-help genre.
That's a cynical take. Ferris has been for years now focusing more and more on things like meditation and psychedelics. Plus he is super loaded and his podcast is huge
Exactly, the whole website is super PR-marketing wise, and a pop-up promotes his book with a "laid-back" portrait photo of himself. I think people are smart enough to find actual evidence-based self-guiding if they look at wikipedia or so .. we do not need 100.000 self-help gurus or as the tide turn gurus first promoting the former, now switching to the opposite.