The problem here is people die when those things are removed even for a few weeks or months. You don't get to "put back" security for SSN data when it's already been accessed by foreign governments. He's not doing this in good faith, he's convinced he's the smartest man in the world and should literally be a dictator.
It's fine, it won't hurt Musk himself. All these wild experiments are perfectly okay from his perspective because, to him, there's basically zero risk.