 And he went on to predict that people are going to be better looking, healthier and smarter. What is not to like, he concluded. What would your response as an ethicist be? Well, for a start, it's exaggerating. So we don't really know what makes you cleverer, more beautiful or a better person. That's the first thing. And secondly, you only have to look at the people in the last century who tried to make a better human. Hitler?