Earlier quoted context omitted.
"Done right". There's your problem. Done right, Marxism is a good thing. Done right, a dictatorship is the most efficient form of government. But we are, in fact, dealing in sloppy reality, where many things - by their very nature - cannot be done right. No matter how hard we try, or how earnestly we believe in fairies, these things will not be done right. They will inevitably devolve into tyranny.
In fact, it's not even the point. Invasion of privacy is by definition, done wrong . Are we willing to give up all of our privacy to prevent a very, very small number of incidents.
So the day I see a reindeer with a glowing nose landing on my roof, I will consider allowing the elves to collect all the information they want, as long as the storage center is at the North Pole.
In the meantime, invasion of privacy will continue to be done wrong.