Earlier quoted context omitted.
Sorting it out requires predicting ~20 years of social and technology changes, which is a pretty high bar. A stable job today might not be stable in 5 years, if employment conditions change (as they seem to be changing in the case discussed here). I suspect in the medium-term future there will be very few stable jobs at all.
"Sorting it out requires predicting ~20 years of social and technology changes, which is a pretty high bar." No. Finishing your degree before you have a child is not a high bar. It's common sense.
Alternately, here is a good way of ensuring a minimum level of economic stability for everyone: a social safety net. Used successfully by countries ranging from Germany to Singapore to Sweden! I think there is some cultural difference in how to perceive kids as a starting point, though. Here (Denmark) such programs are particularly popular when aimed at parents, because parents are seen as performing a service for society, in raising the next generation. That feels to many people like something that is not only the parents' responsibility to support financially, since the kids will become the next generation of the country's citizens, not only the next generation of their specific family.