And do you all know why he said things like these? Because during that time period, Trump's only detailed economic policy was "the wall street guys? The hedge fund guys? They're getting away with murder, here. They're paper pushers and they're paying nothing, next to nothing in taxes. They're going to pay more taxes." (Trump says tax code is letting hedge funds '''get away with murder''' | Reuters)
That type of rhetoric terrifies men like Krugman. "Leave my patrons alone!"