If 4-day work week brings the same profits, then why not to make 25% more with 5-day work week? If 4-day work week brings less money, then why not to return to

If 4-day work week brings the same profits, then why not to make 25% more with 5-day work week? If 4-day work week brings less money, then why not to return to 5-day work week? At the end of the day, corporations extract as much value from workers as they possibly can. The boundaries are set by those stronger than them - the government, and physics. We would be back to slavery in a couple generations if not labor laws. The collective will of the people is far stronger than that of all corps together, and with a joint effort they can make 4-day work week a law.