cheers for your thoughts Geno.... but you demonstrate that you don't understand the vaccine or what it does by your last line.
consider if you will, as you seem to be an honest person, the infection spread where there hasn't been sufficient efficacious vaccines available, the mortality rate in India, Bangladesh, Indonesia for examples.
and then contrast this with nations whose vaccine coverage has been adequate. Aus numbers are adequate.... and also look how difficult it was to contain delta variant infection spread before vaccines became widely accepted.... and the reduced numbers of infection spread after vaccination numbers reached above 70%. you can plainly see the effect of reduced transmission.
but this only works if you don't have a closed mind on the matter.