I was about to make a snarky comment about sitting next to one idiot on an airplane and coming to a conclusion about a whole field. But then he sort of covered it in the last paragraph:

> although the dot-com crash walked back valuations and chastened investors, a mature climate of internet businesses emerged in its wake. Today, technology firms account for 7 of the 10 largest companies in the world. The market didn’t overestimate the Internet, only the current crop of entrepreneurs.