To me this article 1)says very little 2) conflates 'lifehacking' and 'lifestyle design'

Lifehacking to me has always been about little things you do to reduce friction and mundanity in your day to day. Tim Ferris promotes something else entirely which advocates an entirely different lifestyle, fueled by passive income, allowing you to focus on What You Want™.

[Sorry for the buzzword bingo above, I felt I needed to embrace it to adequately articulate the thoughts.]