"The Australian prime minister, Scott Morrison, confirmed downloading the app would not be mandatory, and instead has likened it to a civic duty, such as buying war bonds in the second world war. He also flagged it as a necessary step to relaxing restrictions."

That narrative

See also this thread re: 'voluntary', the good citizen narrative when it comes to cooperating with government surveillance, etc. https://twitter.com/sindarina/status/1247202904374730756