The phrase mammoth accounting error sounds like a joke from David Macaulay’s cartoons in The Way Things Work, with a mammoth wearing a green visor and looking up from a mechanical calculator with a perturbed expression.

The best executives are very strong generalists, and the best managers are chosen to be strong performers in the task that they are managing other people to do. Elon is widely known to be a strong engineer, as well as a strong designer, and spends much of his time arguing details of that kind of work with his reports. Mark Zuckerberg is known to do similarly.

LO fuckin’ L