Mere minutes after Donald Trump finished his batshit bonkers speech about exiting the Paris Climate Accord, White House advisory council member Elon Musk did what many have urged him to do for months: he quit. Which poses the question: Why did Elon Musk join Donald Trump’s presidential councils in the first place? Late last year, Musk drew widespread criticism after he met with the then president-elect in the polished barf halls of Trump Tower.