Earlier quoted context omitted.
The free market would grind every last human into powder if it could. Labor regulations exist because you can’t trust humans to be various degrees of moral, decent, and empathetic. If labor regulations ratchet the work week down, you’d be free to offer 32 hour work weeks to employees, and pay them for overtime beyond that. Productivity has exploded over the last four decades (across various economies, developed and d…
Humans are free to enter contracts of their own choosing, not forced by arbitrary government regulations. As many other commenters here have pointed out, negotiating oneself to a 4 day workweek (or other offers) is possible. I for one, choose to not take the 20% pay cut and will happily work a 40 hour work week. That's my choice.
Difficulty: their counter-parties are often creations of "arbitrary government regulations" (corporations).