I suspect thats part of authors point. The Internet is not just the protocol, its what's built on it. So differentiating between google and Facebook vs the net is pointless.
We can slice and dice definitions as much as we like, but the fact remains that the usable, daily net is a panopticon.
That is largely a result of the efforts of governments and media companies. Encryption is not the default for email because of the efforts of the US government. People who run anonymity systems are routinely harassed by the government (try running a Tor exit not or an anonymous remailer -- you had better be ready for early-morning paramilitary raids). Peer to peer filesharing was effectivelly killed by the RIAA and MPAA. The world was forced to move to centralized, insecure systems because the more secure alternatives were all shut down before they could become entrenched.
We can slice and dice definitions as much as we like, but the fact remains that the usable, daily net is a panopticon.