The point of the article was not about national security, but personal security for a few people. Security for the whole nation might best be handled by all of the people together.

Rothbardian_fanatic

The way things are today, no doubt there would be problems. Once the psychopaths are removed, there may be a whole different outcome. Sane people generally operate better than what we have now.

Politics_And_Law

Political Violence in American Society

The United States was used as an example, correct, so let's reflect.
It is possible for the private sector to take over national security without state regulation. Ask yourself what would happen using the reality imposed today