How did he become the 2nd richest man? By figuring out how to take a larger share of productivity than the people working for him. And many of them are working

How did he become the 2nd richest man? By figuring out how to take a larger share of productivity than the people working for him. And many of them are working 3 days a week, often different and unpredictable days, and they'd probably like to work more, because of that productivity asymmetry.