... I am one of their parents - and I can assure you the happiness anyone gets from associating with my children or the happiness they get from experiencing their life is independent of their capacity to become a scientist or an athlete. I'm not talking about not preventing diseases. Gene therapy as announced in the article? Sounds good. Eugenics beyond that? I think we need to have a big discussion about what we're actually trying to achieve as a society, because beyond actual lethal diseases there's a lot of big costs to society that come with it.