I see what you mean. Maybe my question does have a hidden assumption that it is even possible for a culture to die out from a lack of procreation. I'm just tr

I see what you mean. Maybe my question does have a hidden assumption that it is even possible for a culture to die out from a lack of procreation. I'm just trying to better understand the problem... sub-replacement fertility rates seems to be a new development, and nobody seems to know how it plays out in the long run in the modern world.