Who decides what "notable" is? I frequently use the Archive to find old academic grey lit (preprints, lecture notes, newsgroup posts, etc.). Much of it is on "r

Who decides what "notable" is? I frequently use the Archive to find old academic grey lit (preprints, lecture notes, newsgroup posts, etc.). Much of it is on "random" blog posts and personal websites. Even the authors aren't usually notable by Wikipedia standards. Yeah, there is some PII on those pages, but also treasures of useful information.