Yes, the story is an urban legend, the budget goes up every time it's told, etc. But I think the important lesson here is not really "line worker outsmarts expensive consultants", its really about incentives . The consultants are incentivized to do good work (they want to keep a good reputation and potentially get more work) BUT they are also incentivized to charge as much as possible ("value-based pricing" is the te…
I think it actually matters that it's an urban legend. If it were a true story the value of its message would be less disputable. But if it's an urban legend that means that the message -- that line workers have valuable and inexpensive insights to offer -- is unsubstantiated and may not be true in the main. (I qualify this with "in the main" because of course there must have been some occasion when a line worker had…
I was occasionally replacing one of them to QA a SW tool, and was pretty slow and clumsy comparing to them.
I'd say overall their resourcefulness or "practical engineering" did some 1-5% impact on throughput.