The problem is that the open internet is dying. What used to be blogs and forums now is Reddit. Tens of thousands (hundreds of thousands?) of communities that had their own wiki, blog, forum, ... are now reduced to be a Subreddit. The Internet has become fragile. One service goes down and everybody suffers. If the top 10 services went down most people would think that there is no Internet at all. E-Mail is the last s…
Lots of good forums just have a robots.txt with "Disallow: /". Google can be a pain. People use DMCA in flagrantly illegal ways, etc, so lots of places just opt out of being easily found.
Then, as others have said, there are the discord etc, or irc style, that have never been very searchable, but have lots of good content.
It is fracturing back to more like it used to be?