FIFO is supply-side economics
SOPS,
Unfortunately, FIFO was the product of demand for human capital far outstripping local supply and was the only practical incentive for a reluctant workforce. The people who designed it were not interested in social outcomes - they were interested only in profit. FIFO costs a fraction of fully-subsidised local infrastructure and there is no legal accountability for regional demise.
Unfortunately, it is the same economic mechanism that created the new "cadet" pilot schemes - there will not be too much accountability being accorded to the architects of those schemes down the track when the true costs are revealed.
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