> Sophisticated cooperation at the scale of the tribe. People claim this but it seems to ignore evidence that invalidates all but the least informative definit

> Sophisticated cooperation at the scale of the tribe. People claim this but it seems to ignore evidence that invalidates all but the least informative definitions of "tribe." > On the other hand, the market system is a system of massive economic cooperation, and very sucsesful in many important ways. I think "successful" is doing a lot of heavy lifting in this sentence.