Perhaps this presentation I did for Linux Conf AU in 2020 might illustrate the issues for the Commission.
In it I talk about Greek mythology, the Panopticon, politics and Cows!
#RFC1984 : Or why you should start worrying about encryption backdoors and mass data collection
As for the Commissions argument that it will only be done under a court order, let me point you at how Australian Law enforcement abused metadata retention laws
In Australia the metadata retention laws have been abused against journalists with 58 searches carried out by the AFP. In 2015 ACT police carried out 115 metadata searches.
In fact it was even more. Imagine that across the block. ACAB
@esoteric_programmer It might, which is why making our opposition is important. Even at this last stage.
Esther Payne 
the esoteric programmer