Vaccine refusers will be lower in industries where they are exposed to the effects of COVID or where jobs are dependent on being vaccinated, such as health care and aviation.
Once QLD opens up then Australia is basically open again. WA can sit in isolation, with NT, SA, and TAS not really mattering much in the grand scheme of things. With NSW and VIC open, the pressure is really on QLD to follow suit ASAP.
The "Brisbane Line" from WW2 still seems to be in effect.