Dick, stop making up numbers. You say a US ATC handles thirty times more aircraft. Do you think that where an Australian ATC may have ten aircraft on frequency, a US one would have 300? An enroute controller's screen would be so cluttered nothing could be done. This is the case world wide, one person has only so much capacity. As for your proposition that Australia has a 1930's system. In the 30's many aircraft didn't have radio, communication was via morse code and light signals, navaids were almost non existent and there was no flight watch until after the Kyeema crash. Stop the hyperbole and stick to facts. Maybe a trip to the Airways Museum at Essendon may help.