Yeah, I understood what you were getting at. That's why I was emphasizing the difference between
commodity services (like driving a cab) and services that require specialized skill (like being a concierge that can get you into
the restaurant, tonight, or a meeting with a celebrity). The former you can "scale" by throwing relatively unskilled people at it. The latter takes training, connections and experience.
Even Tesla isn't a good comparison. Tesla is making cars, the task that invented the assembly line. This more like applying "the Tesla strategy" to the job of a butler.