Love him or hate him, Michael Moore is a self-made American, who made his money on creative effort and hard work. In other words, he is living the so-called "American Dream". He may be fat and unshaven, but he's not a criminal.
Many of the wealthiest on Wall St. made their money via being in positions of privilege, insider trading, convoluted accounting scams, and financial parasitism (pushing money around to make money)
The difference between Michael Moore and the Wall Street crew, is that the former makes real money from a tangible product, and the latter makes fake money out of thin air.