I daresay, but I don't see why I should have to deface my property.
That said, I acknowledge your sign is utterly FABULOUS.
I once had a charity tell me I should put a sign on the door, when I complained about one of their representatives calling DURING THE FIRST YEAR OF COVID-19!
NO! You should make an appointment, not call unannounced, and certainly not during a pandemic!
Entitled, arrogant idiots!
My house, my rules.