If F1 is set to loose the Australian GP the only thing to blame will be Ecclestone's greedy pricing policy. The race is a masterpiece of organization, has massive attendance considering how small the country is and is famous for the friendly spontaneous party atmosphere.
The race was first run in 1928 and since then it was run 75 times. They only missed 1936 and the WWII years. Since 1984 the Australian GP counts towards the F1 world championship but the above statistics show that it has a much longer unbroken trace that makes it equal to every European Grand Prix in tradition. So rightfully it should be protected by the tradition formula of the FiA.
Consequently the Australian GP has an excellent name with motor racing fans all over the world. Plenty Europeans used to get up very early in the morning or rather in the night to watch it. Contrary to many traditional European races the Australian GP got massive support from the government years ago just to save the popular event in the face of exploding race fees.
Finally the Australian GP falls in a time slot where there will always be a need for races that can be run in the European winter. There are very few races in the southern hemisphere and few countries that are able to boast a motor racing heritage and the passion of the Australians indeed.
So one can say with some certainty that the GP has everything that makes it a classic worth saving. If the race gets killed for profit maximization the sport and the the show will be much poorer. The blame will be squarely laid on Mr. Ecclestone's and FOTA's doorsteps. One should not forget that the teams rake in 50% of the FOM profits and that they share the responsibility for making obviously bad calendar decisions.