The realms of mindfulness and spirituality have long said that the goal is not self-improvement, because that's the ego's way of managing its pain. Discovering that you're still suffering after countless efforts to make yourself a "better" person has long been identified as a pitfall, so I'm glad Mr. Ferriss discovered this too. For a similar take, you may want to take a look at this piece: https://medium.com/@divineppg/accept-yourself-just-as-you-are-right-now-b3f91529db9c