This argument only works if you have a career (and lifespan) that spans 100+ years. I'd venture a guess that 0% of Grubhub delivery drivers were farmers a hundred years ago.
This ball is going through even your ever-moving goal posts. My statement never claimed people's careers would stay the same and they'd just make more money.
There are some great reads on this topic[1].
[1]: https://yalebooks.yale.edu/book/9780300205251/libertys-dawn/