Yeah but the cherry on top is that, for example computer guys&gals will produce better on a 4 day week than on a 5 day week! It's not like being "on" @80percent makes you produce 90% of what you did when being "on" @100%. It's giving you a day totally free (same salary, not longer days) and you produce at 105%.
Work@home have also shown more productivity.
That's why we start to wonder why the hell middle management wants us back in the office, at a maximum hours a week.
They probably are bored all alone, and are devoid of empathy, that's my take anyways!