Soul Hansell questions the validity of computation models of Wallstreet's computers and the people behind them. He finds out that there's obviously a strong underestimation of the risk of complex finance products and an overly optimistic view on financial data and their consequences. Lying to your computer is like lying to your doctor. (Source)
I had my dark thoughts and prejudices on that branch. Maybe doping regulations should get tightened as well as the excessive regulation that has put us into this mess.