I’ve never understood this sort of “analysis”.
The linked cases are of course the easiest and quickest to find.
Whether or not the numbers are “good” or not depends on whether something’s being missed, which by definition you don’t know.
Well quite good is a relative term. I was fearing that they would be a lot worse by now and this is why I see these results as good.
By way of explanation (and perhaps I am wearing rose colored glasses) there was a pool of people,
and not just the 3 as they as it turns out were not the index cases, who were infectious for say ten days (or more) before the tests performed over the last two days. This is a greater time period than we had with the case that seeded the MCG, Y&J and other clusters.
With Delta having been shown to have able to jump from a host to a new host in as little as two days if those earlier cases had been more active and/or infectious we could have been well above the forty cases that we are now at from among close cases. That is why I say they are relatively good so far.
Now there will be more cases as there will be people who have been infected and who have not yet been tested, and those in households living with cases are going to still turn positive.
And yes there will most likely still be some in the wild cases. But so far the restrictions that were still in place when these two clusters commenced that were not in place when the index case of the last cluster occurred may well have curtailed the rapid growth in casual contacts that were already evident by this stage in last outbreak.
But it turns out the numbers weren’t actually all that “good” around the end of the previous lockdown.
They are still to determine the source of the two clusters. One of the two may well be from new incursion.
By numbers not being "good", it probably was very small, but then by a group of households not following restrictions in attending households to meet, in not seeking testing when symptomatic and even worse in still attending work when symptomatic yes we have seen cases accelerate again.
So numbers were probably as good as you can have when they are not zero, but if people choose to ignore the virus as they did in both clusters then cases can rapidly grow.
Delta means that even "good" numbers can rapidly become "bad" numbers.