Signs: A way of expression for humoristic Australian bureaucrats

The good sense of humor of Australian bureaucrats displayed in a loo door in South Bank, Brisbane (QLD). Pic: (c) J.Ruch

What does this sign tell us? 'Don't shoot the Wallabies in the face with a hand gun!'?

Your baby is not meeting your demands? Trade it here for another one - hopefully a better one! Pic: (c) J.Ruch