Stanley Druckenmiller has just about had it with historically low interest rates. In his mind, they've infected financial markets and led to exorbitant pockets of debt all around the world. More than anything, he's worried about the reckoning that's bound to transpire as global central banks make borrowing more expensive. The billionaire investor said as much during a recent interview with RealVision.com seen by Business Insider. The chat was conducted by Kiril Sokoloff, the chairman and founder of 13D Global Strategy & Research, and a market legend in his own right.