More humans leads to more knowledge. There will be more people doing basic research and adding to humanity’s collective knowledge which will improve collective wellbeing. There are efficiencies of scale as someone else mentioned and in the book Scale the author mentions productivity in cities scales 1.15x superlinearly with population. There is an upper limit, though the current population growth rate is well below the peak and very likely a much higher growth rate than today’s can be sustained.
More humans leads to more knowledge. There will be more people doing basic research and adding to humanity’s collective knowledge which will improve collective wellbeing. There are efficiencies of scale as someone else mentioned and in the book Scale the author mentions productivity in cities scales 1.15x superlinearly with population. There is an upper limit, though the current population growth rate is well below the peak and very likely a much higher growth rate than today’s can be sustained.