Eugenics is playing God. Playing God is dangerous. There is no God, so there can't be eugenics.
Wrong. There was a god: the environment. The environment shaped eugenics (natural selection) for all of our early history, and with great effects I might add. Today we have the upper hand on the environment and natural selection has stagnated. I think we have a responsibility make sure our species does not deteriorate because of this. But that's not what the thread is about...