American viewers were the same way, especially after learning that the Coriolis Effect doesn't affect draining, making the whole thing an excuse to make stereotypical jokes about Australia. Remember, this was back when The Simpsons was considered the anti-sitcom and didn't do things that other sitcoms did, so for them to do this was a shock to fans.
Unintentionally Unsympathetic: Bart arguably deserves to be booted for his actions. Marge arguably is insufferably self-righteous in refusing to let Bart be kicked, considering that Bart essentially gets away with committing a felony offense with little more than a slap on the wrist. In his defense, though, it's not entirely his fault that no one in either household noticed their phone off the hook for six hours.
"Weird Al" Effect: There is a parody of Crocodile Dundee with a man going "think that's a knife? THIS is a knife". For newer viewers, the film from which the meme came is not so familiar, and therefore many people think back to this series instead.