The comments were part of a treatise on what she sees as Australia’s decline due to high taxes, high wages and over-regulation. Rinehart said taxes should fall, red tape should be cut, environmental rules relaxed and the minimum wage should be lowered. (It’s currently AUS $15.06 an hour or $606 a week, about the same in U.S. dollars). (Read more: Millionaire Parents Say Kids Aren't Fit to Inherit)

Her quotes are sure to escalate the already heated debate in the United States, Britain and Europe over class warfare, taxing the wealthy and “fair shares.”

When governments target the rich, she warns, they really hurt the middle and lower classes.

“The terrible millionaires and billionaires can often invest in other countries. And if they do suffer, what does that really mean? Maybe their teenagers don’t get the cars they wanted or a better beach house or maybe the holiday to Europe is cut short; But otherwise life goes on for these millionaires and billionaires.”

Those who really suffer from anti-business and anti-investor policies are regular workers who “usually vote for the anti-business socialist parties,” she writes. “If you want to help the poor and our next generation, make investment, reinvenstment and businesses welcome.”