It's never safe to show assets to someone you don't even know. Even if you're very much in favor of privacy, you should also keep your bitcoin holdings tightly sealed from the government and anyone who knows you. For me it was done to minimize the risk, so the tips and user advice here seem worth considering. Your assets are for you, and you must secure them in various ways. You don't need to be someone like Michael J. Saylor who is always announcing his bitcoin holdings on social media. He was someone different, but there was a possibility that he would become the target of a hack.