> Never in the history of the world have people had to work fewer hours per week

This is false, medieval workers used to work less than we do[0]. We work less than 1800s laborers, but their life conditions was such an aberration that it gave rise to the socialist movement, mass strikes and bloody revolution attempts, which in turn forced governments and capitalists to reduce the average labor time.

[0]: https://groups.csail.mit.edu/mac/users/rauch/worktime/hours_...