It's interesting how this compulsion to work spread even to people that don't need to do it. Just look at how many modern-day billionaires are still flaunting how many hours they work each week. Up to the modern era, work was not seen as an inherent virtue, and even something to be avoided. Even well into the modern era, Teddy Roosevelt went on multi day camping trips completely unconnected from civilization. Just imagine a world leader wanting to do that now.