This is cool! I'm going to have some fun reading it and filling in some knowledge gaps! I often see this stuff through a bit of a writing perspective and I could see something like this, more developed perhaps and running on a meshnet, being a sort of central nexus around which a society could rebuild or an alternative society establish itself.

Surprisingly cute logo 😁 While idea is pretty cool, in what situation this wiki is better than just dumping whole wikipedia https://en.wikipedia.org/wiki/Wikipedia:Database_download into USB or some hard drive? If collapse happens, then internet is probably one of the first things that will going down.