Low birth rates will increase the standard of living for everyone. Historically, after plagues and wars where a large percentage of the population died, life always got better for the average person. Labor was more valuable, housing was cheaper, land was plentiful, peasants and blacksmiths could suddenly afford luxury goods that were previously only available to feudal lords.
So of course the billionaire wants more NPCs for cheap labor. Every country must look like India.
He's late to the party and pretending like he started it as usual.