We need protection from which government? All of them? I think that is probably impossible.
And the article as well as comments assumes that the whole world lives in US! It would be nice to be protected from US and China espionage workers for other ~200 countries citizens and their govs. Moreover, that's strictly necessary to develop those countries and grow healthy competition.
And free software is much easier to review and modify to security and military services of other countries.
The seat of power must remain with the people, not corporations and not governments for people to have meaningful freedom.