Yup, easy rebuttal to that one is just looking at how insanely hard some poor people work, while still struggling to succeed: https://www.nytimes.com/2019/01/31/books/review/stephanie-la...

The more insidious version of this is arguing over whose labours have more "market value". And there's something to that, but I can't get away from the feeling that it's deeply unfair how a software professional can coast for weeks on the occasional flash of insight or burst of productivity, while a housecleaner works two full time jobs and still is one unexpected car repair from insolvency.