"The agents were not doing anything for us, " she said.

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The corporations did file Louisiana corporate franchise returns, but when Louisiana came looking for more money, they claimed that the state was not entitled to anything, since they were not doing business in the state.

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For others, the realisation that they were "not going anywhere or doing anything useful" might lead them to stand down, he added, while others took the decision for personal reasons.

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"There were too many people not doing much of anything and getting paid for it, " says Golisano, who can be stingy himself.

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They looked very good when you drove up to them, but actually they were waving a lot of people through and not doing anything close to a deep search of cars or check of Ids, it appeared.

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