Author: staff@jalopnik.com (Erin Marquis)

Alex Wong/Getty Images Elon Musk is a billionaire (sometimes trillionaire) specifically because he’s such a big brained genius. Everyone knows this. So Musk posting sensitive personal information on the social media site he owns to his 241.7 million followers couldn’t possibly be described as dumb. No, nothing Musk does could possibly qualify as dumb, right? Musk recently lost his trillionaire status again, but not because he posted his email address, ordering information for a LEGO purchase, and last four digits of his credit card on X, The Everything App. He squeaked back into…