While I love reading the stuff above, if we have a problem in Australia, why don't we fix it?
No disrespect, honestly, but the solutions you've written below your opener are commonsense, factual and simple, real solutions. But have absolutely no hope of being implemented, not a snowflakes chance in Dubbo in December.
I don't know why professionals like yourself bother? You know nothing will change in this country. I seriously doubt an accident at this airport would change anything. If the worst were to happen, Joyce will blame excessive numbers of passengers wanting to go to a holiday destination are to blame.