Silicon Valley venture capitalist Peter Thiel's attack on Gawker shows "the power of the billionaire class," the online media company's founder and CEO Nick Denton told CNBC on Friday.Support Free JournalismConsider supporting HuffPost starting at $2 to help us provide free, quality journalism that puts people first.Can't afford to contribute? Support HuffPost by creating a free account and log in while you read.Support HuffPost Already contributed? Log in to hide these messages.