You can learn how to ‘operate humans’ in one year.

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You can learn the three fundamental models of project management, basic accounting, basic contract law, and micro economics (incentives), in a single course in about a year, and be good at all of those in two. If you can write a contract, run a project, manage the finances, and understand incentives of everyone involved you know the plumbing of the entire world system. Everything else is the craft you employ under that model, and your dress, manners, diction, vocabulary, hygiene, and how much of an ass you are (or not). It’s not difficult to be competent.