Thanks for sharing the same thought.
Another part, I must say that all 457 are working very very hard, comply with regulations and pay tax. Surely that most of 457 still can have good lives in their home countries because they are qualified and they are skilled. The reason they are here in Australia is because they want a better lives for not only themselves, but mostly for their kids in the future.
And because of that thoughts and goal, they have to work very hard here with less benefit such as no medicare, plus paying private health insurance each year. How disappointed and depressed they feel if the nomination is refused after such a long working time as 457.