Indeed. While it may be true that hunter-gatherers had a lot of leisure time, it's also true that hunter-gatherers typically didn't have much beyond a spear, a

Indeed. While it may be true that hunter-gatherers had a lot of leisure time, it's also true that hunter-gatherers typically didn't have much beyond a spear, a knife, a loin cloth, a cooking pot, a subsistence amount of food and maybe some sort of hut with a fire pit. Making enough money for that level of existence wouldn't take much time even today. It would be easy enough to do the experiment (and some have). Just pay a bush pilot to drop you off somewhere in the Alaskan wilderness and hunt and gather to your heart's content. Alaska has regulations that allow subsistence hunting, so you could even do it legally (you might have to fill out a few forms...). However, we seem to like having things like electricity, running water, central heat, desktop supercomputers, global computer networks, airlines, interstate highways, modern medicine, more than one change of clothing...