Why will this 'kids identify as cats' thing just not die?

I've had friends, family and colleagues all talk about how 'well, some schools have allowed students to identify as cats and don't you think that's too far?'. No school has done this, because no student has asked because its a made up scenario. This gets debunked again and again but it just won't die.

Even saw a tiktoker teacher share about a teacher supposedly dressing up as a cat and identifying one. What was it in reality? World book day

Feel like I'm going insane 😭

Edit: notice how anyone saying its true in the comments it's always from someone else; my daughter, my husband, my friend knows someone who...