marquard - I'm a bit confused by your reply because it's redundant of my sentiment, precisely, while at the same time suggesting that you're correcting me.
I think it might be a miscommunication over the term "interest". In my experience "interest" = "experience/knowledge" on a topic, in a more diplomatic nature. It's extremely uncommon for a person to be knowledgeable about a topic in which they have no interest. To put it more simply, I do not want to suggest that the moderators are not knowledgeable about a topic.
In addition, I was not suggesting that moderators should (quote) "check each book, course, movie or other files posted as response to requests."
Being that I post more often than many here (and my posts are typically the most detailed/comprehensive), I would think you'd be aware that I spend a great deal of time reinforcing the rules and am very aware of what the moderators do.
Then you write:
The issue [Login to see the link] tries to describe is that each user has more knowledge
about some categories than others. The users have a greater chance of helping
in areas of which they have some insight than others they know nothing about.
Chances are few that a bricklayer has more than average knowledge about..
Yes, precisely. I'm confused as to the purpose of your reply, or why you've written this bit specifically -- because it's precisely the point of my post/suggestion.
I have to assume you misread my post or I did a bad job communicating, because you've merely expanded upon what I wrote, yet for some reason --- You did so under the context of correcting me, despite agreeing completely with my initial brainstorming.