What would they do in the States, and other places that use the same system?
Dude, whilst I agree that the VFR knocking is unneccessary and counter-productive, I also agree that you don't have a handle on the debate. If you want to join in, then please go and read all the threads (5?) preceding. One of the largest objections, is that to "handed-down wisdom", something you seem to be doing.
Once again, ausNAS
is not the US system , no matter how many liars claim it is.
ps.
If you mean it performed a "last-minute arse-save", then yes it did. If you mean it's job is "routinely seperating traffic" as seems to be the idea under the new system, then I think you may receive some more objections, your worship.