He doesn't distinguish between practice and effort. In my view, practice takes effort and effort occurs during practice, they are two dimensions of the same thing, which is really just "experience." You don't gain experience without effortful practice.
Furthermore, where is his mention of accountability to a team? One of the greatest motivators is having helpful allies who tell you what they want from you, provide tips how to do it (leveraging their experience), and then give you the keys you need to work hard and get great things done.
Another lackluster article from PG that rockets to the top of HN within an hour. There are much better writers out there, I'm not sure why his work is so lauded.