I thought Russell Aaron writing of a “beginners guide” for “better” WordPress support was very relatable to some of those less technical WordPress site owners I know. Russell touches on how to ask the questions, not just where to ask them. “The more details you can provide, the better the answer will be” is the best advice you could probably give.
You might not pass this directly on to all your clients or those needing help, but the points in this article can be easily re-worded to educate those you know who are seeking help and assistance.