> at some point in the human civilization journey we'll have to be content with something instead of chasing clouds all the time.

Surely we're not even close to this point though? I can think of a lot of things that would be incredibly good for humanity to have, and which are achievable with enough economic growth, but which we are currently very far from because our economy does not have the necessary productive capacity (for example, enough solar/wind/nuclear/renewable power to completely eliminate our dependence on fossil fuels)