With the further information that is coming onto this thread, everyone note post #35 by
Renegade154, which in part says:
“The FAA regs clearly forbid your fantastic USA Unicoms from giving traffic information. They are allowed to do basically what a Unicom in Australia can do and no more.”
I would imagine
Renegade154 is possibly one of the people in CASA who has prevented UNICOMS from working in Australia because of this disinformation which has gone on for over two decades.