[Qantourisc]

1) Do we implement 1 child per couple policy? This would work, until you run out of people.

2/3) Consider AI, what with all the STEMS ? Also, how many stems do we really need ?

4) As soon as everything is automated, capitalist "win the game". No money will flow back. You have to abandon this at some point.

4) What if the government runs out of money ? Same things that would happen now, increased taxes, or a bankrupt state. In a pure socialistic state this would translate in: you will have to do with less (not money, but luxuries).