Some terrible websites limit the characters you can supply for passwords (for telephone password input reasons, sometimes). Also, someone who's trying to take

Some terrible websites limit the characters you can supply for passwords (for telephone password input reasons, sometimes). Also, someone who's trying to take advantage of a low-entropy password probably doesn't know what the character-set of the password actually is. In other words, they'd have to know this is where your password came from in order to recognize that special characters are off the table.