All I will say, what is happening in Oz is by far not the worst out there.
Some countries want you to test and quarantine for departing and landing at the same airport, like a 2hr air test. Literally pulling up at the same stand you departed from.
Don’t see a lot of science in this, probably been tested over 100 times, fully vaccinated however I’m considered more of a threat than
the people at immigration that never get tested however in contact with unknown passengers every day.