Won't do a thing Zig, the minister and government couldn't care less what we think say or do.
The general public are too stupid to understand the problem and will believe that everything CASA says is gospel.
Three smoking holes, or an icao/FAA downgrade, both of which will scare or inconvenience the sheeple are what is required before change is feasible, and there is no guarantee that change would necessarily be for the better,