Forty hours a week is plenty if you do not piss it away in meetings; the eighty-hour week is fluff labelled work.

40 hours a week is actually a ton if you don't piss it away. Most people do piss it away. They piss it away in meetings. They piss it away on just stuff that doesn't matter when even three hours, four hours of concentrated uninterrupted time every day would move to goals they truly care about way down the field.