It's rude to leave a passive aggressive note for someone.
John notices a man has parked his car across two spaces in the parking lot.
John wants to get the man to correct his behavior.
John kindly informs the man that he has parked across two spaces.
John leaves a rude, passive aggressive note on the man's car about how he is parked.
The man apologizes and parks more considerately in the future.
The man throws the note away and doesn't correct his behavior.