Don't get me wrong, I am not saying that they are wrong to do so and nor that they do not have grounds to do so. It is just my reading between the lines that to adopt that particular measure that you would need to believe that the odds of transmission must be extremely low.
Which would be good to do.
Certainly when Victoria started their blitz they started to pick up both more symptomatic ans well as asymptomatic cases. Apart from making it so that anyone one with even the most minor symptom could get tested they also started wide testing of particular entire groups. Again don't get me wrong Victoria had higher levels than WA, but with the blitz they have found more cases even though that is after excluding returning travellers at a very small %. Without the blitz many of those cases would most likely not have been found as quickly, if at all.
South Korea which was held up as model to emulate
has just today announced that they are yet again going to re-tighten restrictions after having eased them, then tightened them, and then eased them and now tightening them again after a new cluster, this time in the distribution centre of a mail order company in the Seoul suburb of Bucheon.
After a significant rise in coronavirus infections, South Korea is tightening restrictions in Seoul and its...
www.9news.com.au
So to me for example if you are going to allow large gatherings, 2m2 spacing and say drinking without meals (so patrons are going to not be that could at the new 2m2 spacing) then you are going to have to very confident that it will not lead to the south Korea Nightlub/Bar spike in WA and that to me means that the government must be extremely confident that there is virtually no one with Covid 19 in WA for if there is 2m2 will allow it to spread, and possibly rapidly.