(Bloomberg) Out of the mouths of babes and sucklings, wisdom can sometimes be heard. The same applies to money-losing hedge-fund managers. In his most recent letter to his long-suffering investors, Crispin Odey accuses banks of keeping unprofitable companies alive by sprinkling them with the “fairy dust” of easy finance. His track record in the past few years — his European long-short equity fund lost more than 20 percent last year, after declining by almost 50 percent in 2016 — might lead some to dismiss his comments as sour grapes.