Barstool Sports founder Dave Portnoy called Sen. JD Vance's idea to lower taxes on people with children "fucking idiotic."Bill Pugliano/Getty Images; Michael Hickey/Getty ImagesBarstool Sports Founder Dave Portnoy blasted Sen. JD Vance's idea of taxing childless adults."This is fucking idiotic," he wrote. "If you can't afford a big family don't have a ton of kids."The missive reveals an interesting split within conservatism over the role of government.On Friday, Barstool Sports Founder Dave Portnoy blasted Sen.