In terms of system hardening, since the outer machines are almost bare, they are hard to hack. Attempting to attack the backend server isn't easy either (assuming the the webadmin knows what they are doing. Things like blocking outgoing traffic and configuring the system to not leak the backend server's IP)
Because “the government” is not a single unitary global institution.
> Cybercrimes are crimes committed through the Internet or using computer devices. These crimes almost always intersect with the postal system. That’s why the Postal Inspection Service is committed to protecting the public from criminals who steal digital information for financial gain, revenge, or even political advantage.
> These crimes almost always intersect with the postal system.
I don't understand this part at all.
One of the first articles that brought this up: https://news.yahoo.com/the-postal-service-is-running-a-runni...
See also: https://www.vox.com/policy-and-politics/2020/8/20/21377305/p...
https://www.google.com/search?client=firefox-b-d&q=.com+doma...