I heard it was a pretty nice flypast from a mate at the MCG,
as for the regs and $hit WTF? yeah an internet tracking website showed it descended a few dozen feet below 1000ft, as if thats the absolute authority, one minute people are bitching about flypasts being too high and the next about being too low. Just get in your Cessna 152's and fly off to the furtherest point possible! (probably East sale!)