I don't like it.. Most of the revenue raised would probably go towards enforcing it.
We are already regulated to death in just about every part of our lives..
Those poor mexicans (NSWers) would have to get another one when they come up here for a holiday. Would not be good for tourism.
The Gov has already got squillions of dollars from any number of taxes. They just need to put some of it to a good use instead of wasteing it on ridiculous studies, ministerial travel expenses etc. etc. etc..