Although I'm a proponent of unencumbered free markets, this point of view, whether Greenspan held it or not, is laughable. Bernie Madoff has blown this argument out of the water. And now we have the case of Rajaratnam, his decade old hedge fund, and his alleged 10 years of generating alpha through profiting on illegal insider information. As a hedge fund manager, I look positively on this development. If illegal activity is going on by fund managers, it deserves to be highlighted and prosecuted. Investors will learn to ask tougher questions as part of their due diligence, and capital will ultimately flow away from managers posting false performance numbers to those who are truly generating alpha. The hedge fund industry has to be one of the most Darwinian industries of any in the world. You don't get to keep your job by being the boss' son or being friendly with the right managers above you. You get to keep your job (and paid well if you do it consistently) by beating the market. You lose your job otherwise. Perhaps because of the big potential rewards for success, it shouldn't be surprising that some aspiring and existing managers would try to bend the rules to get or stay on top. What this case shows is that ethical managers and investors are better off with a strong enforcement office at the SEC. The industry itself is not going to highlight the next cheater and investors -- even very sophisticated ones -- cannot do this themselves.