SUNFISH -
How were they exempt from quarantine? Does that mean they are certified disease free? Does that mean they can spread it as they like?
That is what your government came up with -
From the CASA / Department of home affairs website -
https://www.homeaffairs.gov.au/news-...el-coronavirus- Airline crew (including medivac crew) are exempt from the travel restrictions. Airline crew are advised to take particular care on lay-overs, to use dedicated private transport and to avoid crowded public spaces.