Not apostrophe-related, but you just reminded me of a sign I kept seeing at my local hospital a while back. It said (and I took a picture of it, because it bugged me so much):
NO PETS
No Dogs or Pets
Trained Guide Dogs or Service Animals Welcome
No dogs or pets are allowed.
When I read this, I imagine a guy with thick glasses and a white lab coat feeding these rules into a wall-sized 1950s computer and smoke coming out.
Feels like the same kind of language I use when trying to get ChatGPT to stop doing the thing. Just repeat my negative commands in various, slightly different wordings and hope one of them sticks