Reactive vs Proactive
Worrals, please stop coming up with these common-sense arguments. They have no place in our society.
As per the first post in this thread - This country is run by people that create populist policies that will somehow keep them in a job. The entire system is based on gaining and keeping a seat and not on actual solution that will work.
Every time a terrorist comes up with a new plan (there are an infinite number no doubt), the pollies will come up with another restriction/idea/"plan". In the end air travel will become so restrictive that people will begin to look to other methods if possible.
High speed rail MEL SYD would be the end of that route.