Quick reminder that there has always been lots of batshit crazy, the Internet just gives you easy access to tons of it. Use with extreme caution.
e.g.: 1970s art book + treasure hunt turned horrid computer game scam:
e.g. QAnon, explained: https://www.gimletmedia.com/reply-all/122-the-qanon-code
Octodon is a nice general purpose instance.