Warren Buffett and Michael Burry.Getty Images: Michael Buckner; Jim Spellman Warren Buffett is unique, and being different is key to investing success, Michael Burry said. "The Big Short" investor refrained from emulating the Berkshire Hathaway CEO for that reason. Burry knows his deleted tweets still spread, and pointed to an Insider story as an example. There's only one Warren Buffett, and the investor's idiosyncrasies have been critical to his outperformance, Michael Burry said in a recent tweet."The Making of an American Capitalist by Roger Lowenstein impressed upon me that Buffett is unique, and so must any investor be," Burry wrote.