Credit Suisse/Tremont Hedge Fund Index Again Impacted by Rogue Fund

The final Credit Suisse/Tremont numbers are in for February with the index losing 0.88%. In a replay of the Madoff scandal, equity market neutral index was down 5.61% partly due to the WTGC scandal. What is it about "equity market neutral" that attracts the scammers?

HFRI is down 1.13% for February and their equity market neutral index is down only 0.76%. HFRI is an equal weighted index of 2000 hedge funds. So no single fund impacts it much and I don't know if this WTGC thing was even included.