The difference is that the person who was a woodworker is no longer needed. Why can’t the customer just walk up to a kiosk and ask the machine to start building? The machine or another one specialized for QA can then assess if it fits all the technical requirements which the customer doesn’t necessarily understand. This is what most people here are worried about, eventually the professional human being will no longer be needed by businesses which can produce everything with neither customer nor business owner being in need of specialized knowledge which they previously needed to acquire by hiring professionals.