The difference being that we've already gotten past the point of thinking that Darwinian theory should dictate human lifes. A lot of political energy is investe

The difference being that we've already gotten past the point of thinking that Darwinian theory should dictate human lifes. A lot of political energy is invested in keepingn them the way particular theories say it ought to be based on certain economic theoretical criteria. You wouldn't kill the baby of a Tiger/Lion simply because your textbooks say it's not genetically feasible (glossing over the fact that it's simply not been observed before).