> Without getting into any morality discussions, but purely looking at revenue, profitability, return to investors, companies like Uber, Facebook, Twitter, Airbnb, Tesla, and so forth have created tremendous shareholder value.

Facebook yes, but how many of the others have paid any dividends to shareholders? Even these "success stories" seem to have valuations that are based mostly on speculation; plenty of investors have made money but they could have just been selling to "greater fools".