I don't understand why everyone is so fixated on his income. If he was an home builder that went from an apprentice to managing entire teams on large projects I think his argument would still apply - past a certain point financial incentives aren't enough. In the builders case, maybe he'd be writing about getting back to custom, client facing work. I think his essay applies to lots of driven, Type A people that tend…
When you know you'll be able to pay your bills in the foreseeable future and you have an emergency fund, you can talk how money doesn't bring happiness or motivation.
When you're below a safety threshold, barely making ends meet, one car or dental problem from debt, or in debt already, it's a whole different story. Extrinsic motivation will do wonders for you.