I think it's worth remembering that, the whole concept of "FAQs" or indeed any other supposed division of information, is:
completely and utterly useless, and 20 years out of date.
The universe runs on google search: that's all there is to it. Say you need to know the address of the Pensione Rivazza hotel, or perhaps the syntax of the List add command.
Here's how the universe now works:
Since google search is absolutely everywhere (it's in voice, text, it's on my refrigerator, it's included as you type in every thing everywhere...)
Step 1: Start typing the characters "Pensione Rivaz..." or "List add..."
Step 2: There's no step two, you now have all the universe's information on that topic , presented in front of you -- useful documentation sources, critical commentary on same, important topical issues, known hot problems, fascinating historical aspects, and so on. All presented in an amazing concordance.
The overwhelming point is, the original categorisation of the different info sources ... "this! is a faq!""it's my! blog!""we write doco! at google!" and so on ... is of no interest whatsoever and means: nothing.
I was discussing the same thing here:
https://meta.stackoverflow.com/a/261302/294884
So if you set up a "faq" ... nobody cares.
When I start typing "c++ whatever sytnax...", google will give me all the info. Whether it appears on your personal blog, some doco site somewhere, or a page labelled "faq" ... or whatever.
By the way, notice in the above example, I deliberately mispelled / confused the name of the hotel in question.
But you'll instantly find out everything about it, regardless. Every review (professional! faq! pro-sumption! whatever...), the weather there, the cultural conditions, the upcoming date of the famous event in the city in question, video snips from well-known action franchises set there, etc etc etc etc etc.
From about 2005 onwards, it is completely quixotic - more plainly, "utterly pointless" - to worry about categorisations like faqs.
It's like the old-fashioned panic on SO about comments! questions! answers! etc. Nobody cares. When you start typing a topic, the internet (call it "google search" - whatever) gives you the sum of known knowledge on it.