You guys can stop blaming our premiers for closed borders, they are doing what we the citizens of the state (83%) want them to do and that's close the borders quarantine the infected.
Medical advice has nothing to do with our borders, we have listened to the arguments and conclude it's still high risk because we know the remaining 17% won't help contain the pandemic, they don't give a ****, if your 17% infects our 17% our state will fall just the same as Victoria.
Before we agree to open our borders one of two things must happen, a vaccine or a quick test similar to the lick drug test that can identify an infected person within minutes. That will change how we manage the virus and our borders.
About Canberra and funding. The states fund Canberra by way of taxes, Canberra doesn't produce anything it's a cost and good at borrowing money that the states have to pay for.
The Good news.
The vaccine developed in South Australia is going well and exceeds expectations.
What we know
It works
What we don't know
For how long it will work, it must be good for at least 9 months and ideally 12 months.
The vaccines efficacy. No vaccine is 100% effective, (they don't work for everyone) but must be in the high 90's%
Whether or not there are any health risks as a consequence of the vaccine.
The vaccine should be ready for production by April 2021, provided it passes all the required tests. It will still take 12 months to distribute and vaccinate most of the population.
From what I understand, I would anticipate a change in border controls by mid 2021, most likely (hopefully) due to a quick test becoming available. everyone is working on it.
Finally; no-one wants the borders closed any longer than necessary, that said and as it applies to the Airlines, no-one is rushing off on holidays when the border opens either
One shouldn't have the expectation that once the borders are open domestic travel will return to 100%, there will still be a way to go for international travel including cruising.