Again, I don't think that freenet is the ideal solution, but the real solution is available, and it would essentially involve doing things that (for instance) the CIA uses to operate securely. There are thousands of spies in this country--in every country--who could be executed for their behavior, but...well, there are ways of avoiding detection.

The truth is, very few people are interested in security (despite their hyperventilation over the issue), but if the government became genuinely oppressive, it could happen on a mass scale.