"This is not a book about Australia. No, it's about somewhere entirely different which just happens to be, here and there, a bit ... Australian."
"All those who feel that stereotypes aren't an issue when creating fictional groups for game purposes are free to take part in playtests for my new game Sambo: The RPG of Stealing Chickens and Eating Watermelons."
JellyRoll Baker, in a RPG.net discussion of why one needs to be careful when dealing with this trope.