To extend/paraphrase, Kenneth Bolding, "Anyway who believes in exponential growth on a finite planet is either a mad man or an economist" (and most of the mad men these days come from Silly Con Valley). Having worked there myself, I can tell you the jig is just about up on the technological con game. Note: https://medium.com/@daneke/a-economy-built-on-sand-silicon-valley-is-a-mixed-blessing-at-best-9b4e0ab71fdf