That's true, but it only redeuces the probability some. There existed well-fed healthy populations at many points in history and geography. Even if the probabi

That's true, but it only redeuces the probability some. There existed well-fed healthy populations at many points in history and geography. Even if the probability is much lower, there is estimated to be over 100 billions humans that have lived. I think we intuitively underestimate ancient peoples' individual abilities because we have so much knowledge and wisdom that's been built up over millennia easily available to us. But someone had to figure out how to farm using primitive tools and develop the tradition for the community. What was medieval Von Neumann doing?