Re: "Not available in this country"
"What I predict is that sophisticated criminals and people who are concerned about privacy will just use their own encryption and stop relying on the crypto built into comms applications"
That wont help if Android and iOS have been required to provide an access portal to the devices keyboard and screen. Qualcomm could be building such a door in its 5G chips right now ready for the AUS TCN to arrive.
As for Aus backdoor'ing encryption I shall not be using Apple Pay or Google pay (not that I do) in Australia any day soon. It will probably soon be a requirement to switch your phone on at the Arrivals desk so that the carriers can 'update' your phone for "Australian Networks".
I'm off to start a One Time pads company!