I noticed a tag on the mathematics SE site that is "soft-question". It is used to identify questions that are more based in opinion than a "how can i solve x" but still on topic (a recent example: Why study only rook polynomials?).
I realize that this would require a change to FAQ as it can never be an "actual problems that you face." but it is worthwhile IMO as it is still about the right topics, and enables people to ask more learning type questions.
As an example, the question "What is the function of the pagefile" would probably be a worthwhile question that would be referred to, is about computer software, and would not become "obsolete."
There are some questions out there (like this one about kernel memory, but I don't see how its on topic.
I do not want to close the question, but I think the FAQ should reflect that these types of questions can have value. If in fact these questions are already on topic, then I think that the FAQ should be clarified to express that.
EDIT: This is not about making a new tag on SU for "soft-questions" The focus is that "soft questions" should be allowed explicitly in the FAQ.