For the sake of argument, let's say I'm wrong and you're right: ubiquitous surveillance is a genie that can be re-bottled.
You still aren't addressing my main point: How do we know, going forward, that no one is rubbing that lamp? Someone has to guard the lamp, eh?
Unless you're postulating some sort of post-historical world-wide Golden Age (which I am down to discuss!) there are still going to be people smart enough and wicked enough to use tech to spy and connive, etc.