"There are people who apparently have some genetic propensity to not be a completely identifiable as one thing," he says. "Can't we say that there are two problems here? One is there are people who have this situation which sounds pretty unpleasant and I have empathy for anybody who's got any medical problem, that or anything else?" He adds: "But can't we also say that it's attracting a whole bunch of people who are not mentally as capable as you would want them to be"?