[js8]

> For better or worse, production workers are seen as fungible

Everybody in this thread agrees that it is indeed the case. However, the mystery is why some people see it that way.

> managers (ideally) have deep domain expertise and knowledge of the company's operations

The point of the car analogy was that without workers, managers are nothing, just like car without wheels or engine is useless. In that situation, why would you say one is more important?