Author's premise is wrong. Once growth ends, the pie isn't growing. Pie not growing means the focus becomes dividing the pie. Dividing the pie means endless infighting, politics, and anger in a society. This may work in certain societies, but it will never work in America. Second, a growth-oriented society will naturally outgrow and overtake a non-growth oriented society, by definition. Societies choosing low growth…
Elon Musk is a billionaire, who cares about his opinion on anything but making money? There are academic fields full of people who investigate the myriad problems of American (and, more generally, capitalist) societies. To ignore them all simply because you think entrepreneurs are “punk rock” is entirely unscientific. Of course Elon wants growth, his entire life is dedicated to it and he serves to gain the most if it occurs, regardless of its consequences for everyone else.