These are not systems you tamper with lightly. Musk and his crew could act deliberately to extract sensitive data, alter fundamental aspects of how these systems operate, or provide further access to unvetted actors. Or they may act with carelessness or incompetence, breaking the systems altogether. Given the scope of what these systems do, key government services might stop working properly, citizens could be harmed, and the damage might be difficult or impossible to undo. As one administrator for a federal agency with deep knowledge about the government’s IT operations told us, “I don’t think the public quite understands the level of danger.”