They have also prevented FAA style IFR Flight Planned aircraft climbing VMC in E without a clearance by claiming that in Aus once you have given a taxiing call on an IFR plan you are then IFR and cannot enter E even in VMC without a clearance. Once again sheer bastardry to damage Australian aviation .
Wrong - AIP ENR 1.1-18 para 2.8.1.1
A pilot of an IFR flight, operating in VMC, in classes D and E airspace, may request to climb/descend VFR