I agree...and...The 'NOTES' left in response to this article lead to some interesting add-ons to the practice of asking "Why?" five times to get to the root of any problem.

see: To Get To The Root Of A Hard Problem, Just Ask “Why” Five Times. Written by: Eric Ries at Co.DESIGN / fastcodesign.com.

Charting the answers in some kind of diagram linking root causes explored to each question helps me to see where I've been with my querying quest.  Others point out that five "whys" may not be enough.

The 'take-away'? 

When you are faced with a design problem of any kind at your library, keep drilling down to the source of the problem until you see the underlying reason for your dilemma.  Only when you know why you have a problem, will you be able to explore how you may fix it.

image as per article credits.-Tx.