I for one would like to see the warring egos in RAAus and AOPA come together and re-jig that relationship to the ultimate benefit of ALL PILOTS IN AUSTRALIA. As implied by the OP - United we stand, Divided we fall.
Indeed,
Horatio. 
Either we all hang together or we shall all surely hang separately!
It really is time for the GA Community in all its forms to unite under one banner/organisation/whatever to fight the out of control authoritarian monster that CASA has become.
Only problem is how! And that solution is totally out of my league.
You got any suggestions,
Dick Smith? A genuine question BTW. You have the contacts that few others have.