In his world they are - they could reflect on the fact that they do not have Morbus Huntington and the fact that they fail do to so and be happy, that's on them. It's the Just World theory, the secular version of the heresy of Predestination. (The heresy bit, that's actually serious, the poster speaks false dogmata.) Now pass a bucket, I'm going to throw up because of the unctuous self-righteousness.