Tragedy of the Commons is exactly right. Yes, the genes spread through the gene pool, but then the population goes extinct very quickly because there's a huge p

Tragedy of the Commons is exactly right. Yes, the genes spread through the gene pool, but then the population goes extinct very quickly because there's a huge population and nothing to eat. This is the most powerful form of group selection, and it was first described by Michael Gilpin, http://press.princeton.edu/titles/663.html http://press.princeton.edu/titles/663.html