I think this is just another example that we don’t know what we know. Many of the answers about plugins are already on this site, but nobody searches for them. Many of the answers are on some external, maintained page, but nobody thinks to search for that. So for all that we know, we’re not able to get that information where it’s needed.
The dedicated FAQ page is an attempt to make some information more visible but, quite frankly, it’s a haphazard list of topics ranging from general to very specific with no overall organization. And making forum topics editable for longer periods in an effort to capture more information in a single thread is not going to make them more visible to those who need them.
In my view, we should be placing more emphasis on search. A Google search of forum.kicad.info usually pulls up what you want. The problem - at least for people new to KiCad and making PCBs - is that they don’t know what words to search for, To that end, maybe we need a simple page that shows the PCB design process with simple explanations that use the applicable vocabulary. Then people could use words from that vocabulary to do an initial survey of possible answers. If even 50% of those questions get answered, that eliminates a bunch of duplicated answers in the forum.
I might even suggest that questions to the forum should start with a list of search terms that were used to find an initial answer before resorting to posting a question. That gives people on the forum a concise summary of what the person is looking for. Then a reply might be as simple as “Oh, just do a search for X, Y and Z.”. And if someone doesn’t start with an initial search, then direct them to the introductory search page and possible give them some terms to start the process.
In the end, emphasizing search over manually crafting the arrangement of the site elements may solve the visibility problem and also cull some of the cruft from the forum threads.