Earlier quoted context omitted.
Except for all the demanding jobs where you need to unofficially work outside your working hours... I live in one of those countries with a reasonable working hours limit, but I'm an academic, my partner is a doctor, both of us work "voluntarily" outside working hours. I need to prepare clases, request grants, and do research in a hypercompetitive environment where you need better CV than competitors. She needs to be…
You both are well-compensated for that, though. You could choose to be a mediocre academic and she could choose to be a mediocre doctor. It’s a trade-off.
If the only way to not be 'mediocre' is to sacrifice one's health, there's something wrong.