Because of corrupted government and corrupted citizens this and similar articles are easy to believe without question.
However, such articles lack information regarding how their fraud was discovered. Does the government monitor the legitimacy of subsidy programs?
Experiences provide evidence that a government subsidy will create a new demand. Armed with this knowledge does the government set up monitoring at the advent of the subsidy or do they wait for evidence that they should have set up monitoring.
Defrauding the tax payers exist in all government welfare programs.
hehe
In farm country, all your neighbors (or whoever farms nearby land) know exactly what goes on with your crops and livestock. Insurance adjusters in such areas have usually been farmers themselves.