I want to add a couple of good ones I’ve found:
Jeff the Killer lost media: no one knows where the original Jeff The Killer image came from.
Mortis.com: old weird website
Also here’s a good website on various obscure computer/Internet related oddities: https://suricrasia.online/iceberg/
There’s that one celebrity who firmly believes that 1 * 1 is 2, or something equally bizarre…
It’s probably fine as long as they don’t try to push it onto others. Hope they don’t.