> people in rich nations are not driven to reproduce It may be true for many, even most. But you would need to expand it to all. Otherwise those who do want t

> people in rich nations are not driven to reproduce It may be true for many, even most. But you would need to expand it to all. Otherwise those who do want to reproduce and spread will continue to do it. Also, we may be in a lull. There may be some gene that either makes people not want to reproduce, or makes people really want to reproduce. That gene is about to experience a whole boatload of selective pressure.