Foucault would not have been surprised by this. Since the USPS is nominally the property of the federal government, defrauding it is an attack on the body of the sovereign. Drawing-and-quartering really isn't out of the question to avenge that injury, even though in the American case the sovereign is not an actual person. The response wouldn't have been close to this had the criminal defrauded e.g. FedEx.