I disagree, it’s too soon to tell whether the prediction is accurate. Maybe it’s obvious to you, but I’d at least like to see that prediction justified. I don’t see how accepting an unjustified opinion is thinking.
There is no reason, why artificial womb, possibly with multiple selection box for genes, is not a very realistic possibility, along with state funded child rearing services. (see Norway)
2. Most people actually want children. Getting someone to actually procreate with that will share burden.
3. Investing in children should hel to fund future pension payments. There is pretty good case for self-interest.
4. China won't care, neither will Russia or other parts of world.
5. Countries that will do that will have a better outcome than countries full of retirees. Unless AI takes over, natural selection will take care of rest