it seems like it since men and women want the best and multiple sex partners. Women show this thorugh hypergamy ie alpha fucks beta bucks. And men like to fuck as many women as possible. It seems like the only reason people are not polygamous is due to judeo/christian social constructs. But the risk to polygamy could be stds and inbreeding. think of it if every woman bore a child from 1 man. All the children would essentially be half siblings of eachother in that community thus if they had children their children would be inbred and have a lot of birth defects.

however the mormons are polygamous have one of the highest birthrates in america. they even have a large enclave in mexico. (ie mitt romney has family in mexico lol)

or is polygamy natural ONLY to an extent? ie morman context or what?