Immediate thought, unchanged by the content of the article: how many people (a) know how to build a billion-dollar business, and (b) how to distill the "failur

Immediate thought, unchanged by the content of the article: how many people (a) know how to build a billion-dollar business, and (b) how to distill the "failure" to reach the billion-dollar mark into simple talking points? Something that big has so many moving parts and intangibles, I'd imagine a rigorous analysis would be very difficult.