The Law of Supply and Demand is in play, and it means a company cannot dictate prices, wages, or working conditions in a free market economy. Rising productivity would have reduced the average work week regardless.
If you still aren't convinced, consider that the benefits package routinely offered to employees is worth around 40% of their pay.
If you still aren't convinced, consider that the benefits package routinely offered to employees is worth around 40% of their pay.