I think that was just a side benefit. The main reason is that vacation days are an accounting liability; six-eight weeks per employee is a lot of money, and th

I think that was just a side benefit. The main reason is that vacation days are an accounting liability; six-eight weeks per employee is a lot of money, and they company isn't fully in control of when they have to pay it out. If employees took just as many days off with unlimited vacation time, it would still be a win, because those days don't accrue.