It does go over most heads. Most people spend their whole life thinking that if only they could accomplish more, they'd be happier. More money, more things, more experiences, more free time, more relationships, more friends...
Most people never get to $350 million net worth where they really have to stop and confront the fallacy of that idea. Hell, plenty of people get to $350 million and just think they need more, or that they should have had better work/life balance, or that they should have put more effort into relationships or family, whatever they need to tell themselves to avoid the fact that happiness is an attitude, not a condition.