How do you prevent the why from going global (instead of getting to the root cause, trying to ask it to every other thing)?

First, you need to brainstorm all the potential root causes, fill your fishbone! Go ahead and let it be unfiltered. Then, start the filtering process. A good questiont to ask is: “Of these causes, what do we have control over?” (circle them, or highlight them), Then from those, start to prioritize the root causes that…