How would you calculate the value (to society) of Amazon? A lot of small businesses have folded as a result of pressure from that behemoth. Yes, consumers have benefited from lower prices, but the total value is unclear. There is considerable debate in antitrust circles concerning what to do about Amazon [1].
[1] https://www.yalelawjournal.org/pdf/e.710.Khan.805_zuvfyyeh.p...