I don't reckon this one is all that hard,
I'll bet the Qantas aircraft departed with legal fuel.
I'll bet the Qantas crew were re-calculating fuel state at appropriate times during the flight.
I'll bet the Qantas crew's dangly bits or flappy bits didn't clench or tighten at any time during the flight due to fuel state.
I'll bet that the Qantas crew, when informed of the changed holding requirements, knew exactly how much fuel they had on board and what effect the holding requirements would have on that quantity.
I'll bet that most Qantas Captain's would have quite a few hours in the log book, even if they were a new Captain and would apply that experience against the 'quality' of ATC in this country.
The AIP requirements worked exactly the way it was meant to work, the aircraft got the priority it required and deserved and landed without its safety, that of the passengers or crew ever being in doubt.
**** the ******** media and the usual alarmist bull**** that saturates daily Australian life.