We all know the “open future” argument against genetic modification of humans: that it’s part of being a human that we are apparently in control of our own lives and that a parent who tried to impose a “model” on us would thereby wrong us.  I’ve never been sure, in all honesty, whether this tells us about the morality of engineering kids genetically, or about the morality of being a very pushy parent – but, in a sense, it doesn’t much matter.  Closing down an open future might well be morally problematic.

Having said that, xkcd explains the upside…