This has become legendary! We are discussing something that literally everyone does to everyone else (even in this thread, over and over) but for some reason landlord seems to want to make sure that it is the evil-man that is doing it.
Let us do a quick poll:
Have you ever talked "down" to someone: Yes or Yes
Congrats...you are a human being, have a sense of humor, can dish out a joke and can take a joke.