To be fair, we only know one side of the story, and don't even know from that article what was said exactly that enraged the CEO.
X360 and the Wii are probably also more expensive in Aus than they are in the US, Practically everything electronics wise is i'm sure.
Australia is a bit more out of the way than US, and it's far more expensive to ship there.
Even if Sony is shipping direct to retailer, someone has to pay for the stuff to get there, shipping is not free last time I checked.

Proud Sony Rear Admiral








