They could stick to the system and follow their own rules. The panicky investors likely withdrew their capital by now. Those hysterical capital withdrawals likely distort the management of the portfolio by forcing sales of securities in the absence of system sell signals.
It's 50 years since the first hedge fund was invented. You'd think by now they'd have figured out that customers tend to make withdrawals after periods of poor performance, and devised procedures & risk controls to take account of that possibility. Then again, Jim Cramer forgot about this in 1998 too - maybe that's the Goldman way.