Couldn't say, of course, but that's an interesting idea. I think you're right to look to the past for selection pressures that might explain why we are how we a

Couldn't say, of course, but that's an interesting idea. I think you're right to look to the past for selection pressures that might explain why we are how we are. It's true that a number of tasks we'd need to do in primitive living are low on mental effort over a relatively long time. That could help explain why absent a need, we still want to do similar things.