Earlier quoted context omitted.
The biggest phrase that I see missing from the private vs government discussion is "monopoly on force". The Federal government has the authority to create regulations, create laws, collect taxes, send people to your house to enforce those laws, remove/restrict your rights, sentence you to a prison term, send in armed officers to take down civilians groups viewed as dangerous, etc etc all the way to declaring full sca…
I wouldn't be so sure about Google vs. Facebook. All they need to do is hire away the right person (or simply conduct corporate espionage themselves). But as you mention, that monopoly on force is tied to the will of the people. If the government were to use force in a way other than approved by the laws setup by the peoples' representatives then you're already talking about something much worse on the totalitarian c…
The real danger of programs like PRISM, outside of abuse of power by the executive branch, is access to the data leaking from the national security realm to the normal law enforcement channels. The data collected by commercial entities is dangerous because unlike NSA stuff, its just a subpoena away from any police department.