“He has likened unions to herpes (“it doesn’t kill you, but it’s unpleasant and inconvenient”), said that the Affordable Care Act is “like fascism” and called climate change “perfectly natural and not necessarily bad.” In this election year, Mr. Mackey thinks that it is especially important to emphasize the transformative impact of capitalism itself. “It has literally lifted humanity out of the dirt,” he says. It is “this amazing system that’s benefited us so much, but it’s under constant attack.””