This doesn't apply to MANY jobs, unless you're talking about replacing humans with robots with superior strength and agility that do not need to rest.
The majority of HN, and silicon valley types in general, are incredibly myopic. The vast majority of people here automatically assume everyone else in a thread works in CS, they assume everyone has a degree, they assume everyone hammers away at code in a comfy office all day.
The vast majority of the world is not sitting at a computer coding for 6 figure salaries with great benefits and profit sharing.