Earlier quoted context omitted.
"Almost every industry out there manages to make good profits without their employees having to give up their lives." Medicine and law being two exceptions.
Note the pattern: medicine, law, and engineering are 3 industries where the employees carry significant human capital with them (finance is another one, and i-bankers also give up their lives). I suspect the reason for this is because human capital makes the payoff for additional hours worked non-linear. One cashier working 80 hours a week should be just about as productive as two cashiers working 40 hours a week (a…
Anyone working an 80 week is absolutely less productive than two people working 40 hour weeks, even taking "communication overhead" into account.