[bityard]

> The case study also describes a couple of examples of assembly line workers pulling the stop levers and how management runs over asap (every minute of stoppage is much money lost) to ask the question "why" five times in order to understand the root issue of the process breakdown.

More than that, when the manager approaches the employee who stopped the line, she is not supposed to ask, "why did you stop the line?" She instead asks, "how can I help?"