Vietnam's not my cup of tea but not one of the guys I knew could be accused of "short-cutting" the system.
Every single one of them has done the hard yards in GA - all of them about 6-7 years since CPL, 600-1200 hours multi piston at night and/or in the clag.
In 2007/8/9 there were plenty of guys and girls stepping up into Australian airlines with that sort of experience. These guys are paying a price and taking a gamble to advance their career in a way you can't in Australia at the moment. Good on them.
I was extremely sorry to lose each and every one of them (mighty pissed off actually) but I reckon they have paid their dues and they deserve to step up.
Those on here crying that it's not fair... life's not fair, and it will never be fair, but if you work as hard as these guys did and have the attitude to life these guys did then you might find life becomes "fairer" for you too.