Yeah, working on that.
So these are notes that are aimed at mocking worry itself.
They have to contain some kind of sanction message (This is not how we do things, etc.), yet be inexplicable enough so that they notice it's a put-on before any damage is done.
Touchy. I don't really have a workplace that I go to (I clean), so I can't really test things out in the idealized setting. Maybe this can work "in the wild", so to speak.
I have an idea. Leave a post-it note on a bus stop sign, reading: "You should know better. See me."