In the modern world, in western society, the cost of the machine is usually a pittance next to the cost of the person to operate it. A very simple example – a car used as a Uber. The car will last say four years – $60k, that’s $15k per year. Add a few thousand for insurance and then gas on top of that – maybe we are talking about as much as $30k a year.
The driver makes $60k at least. The driver is twice the cost of the car. That is true of just about any machine you can name. People are expensive. Machines are cheap.
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