Warren Buffett published his last annual address as CEO of Berkshire Hathaway (NYSE:BRK, BRK.B)) earlier this week, urging the company’s “unusually generous” shareholders to act kindly and decently in an increasingly greedy world. “Greatness does not come about through accumulating great amounts of money, great amounts of publicity or great power in government,” the billionaire investor wrote. “When you help someone in any of thousands of ways, you help the world,” he continued. “Kindness is cos