It's unpopular in some circles to praise Bezos, but during this pandemic, I sure am glad that they had built such an expansive and performant logistics supply chain to help people get the goods they needed without having to go to the (often closed) malls.
That's a 2020 benefit to an entire society that arose from 25 years of effort to grow in a sustainable way.
Is there a single market which has remained with a dozen of those companies which didn't have a cartel or preapportioned monopoly? Just with random variance I would expect three at most still around at the "traditional international size" level even if we started with a dozen Jeff Bezos Clones all told they were the real one with the goal of Amazon given identical starting funds (all too stubborn to merge).
That's a 2020 benefit to an entire society that arose from 25 years of effort to grow in a sustainable way.