I would argue that the "innocence" of the initial Internet/ARPAnet developers was fundamentally intact until the appearance of the Morris worm in 1988. That was, IMHO, the event that made the quantum leap from boys-will-be-boys practical jokes with 'finger' to malicious attacks on otherwise anonymous and unremarkable systems. It was, in a sense, a right of passage from school-boy pranks to young hoodlum violence.
We (I was already 15 years into a computing career) were unprepared conceptually for that event, in spite of the cautionary tales provided by speculative fiction since at least the 1960s. In 1988, there was no concern about NSA "spying" on U.S. network activity, there wasn't enough of that to be concerned about and we didn't have the hardware, software, or theoretical basis for dealing with even that modest information flow. The "Rainbow Series" was the state-of-the-art in computer security research. The last thing we, as early-80s techno-nerds , were concerned about was the philosophical implications of data mining, when the concept itself didn't even yet exist.
Stallman has certainly been an advocate of open software since that time, but I would appreciate, if only to round out my education, links or citations to works concerning U.S. govt. presence in a surveillance role over the Internet. And in response to the observation "one arguable point of naivete; but not surveillance-related, is among the cypherpunks and crypto-utopians who didn't see locked bootloaders, application signing, and 'Trusted Computing' on the horizon...", I will note that Vernor Vinge, in the 1981 novella "True Names" (arguably the great grand daddy of cyberpunk and the concept of virtual reality), expressed a very real warning about the problems inherent in ubiquitous govt. surveillance of activity on "The Other Plane".
Having been weaned on "The Federalist Papers" and "Common Sense", I have long maintained a deep skepticism of government intrusion into personal life, but I cannot fault our Cold War indoctrination that technology would provide the answer to all our sociological problems. It was what it was, but it does not prevent us from moving beyond it to a more holistic view of our world.
Geek points for the first person who can provide a contextual citation for "notched electrons" as an information storage mechanism.