Mark Cuban said 'only idiot' founders would stay in California under a wealth tax. We asked 3 founders if they'd leave.

Mark Cuban told Business Insider there were "a lot of incentives" to leave California. We asked some founders if they'd stay under a wealth tax. Nicola Gell/Getty Images Mark Cuban said that "only idiot startup founders" will stay in California if the wealth tax passes. Business Insider put Cuban's theory to the test