Yes, it's harder to make something more private than it is to make it more transparent. Absolutely. You can go nuts trying to make your life as private as humanly possible, and then all it takes is one exception to the rules, like surveillance in the name of national security, followed by an unfortunate misuse of that data or an unfortunate hack, and now your eggshell defense of privacy has failed, and you have no cultural or legal infrastructure protecting your now very transparent life.
Ask anyone famous how hard it is to maintain a private life. It's much easier to go in the direction of transparency than backwards towards more privacy.
If you want to be more private, that means that no matter the level of encryption, you can never post your brutally honest thoughts in facebook or twitter or HN ever again. You can never let people know where you're visiting. What you're eating. What you're wearing. Who you're dating. You have to clam up. Because whether or not you've encrypted everything, you still leave fingerprints, not only in the IP addresses but in piecing together all the information you're sharing in order to home in on the identity of the poster.
It takes an enormous amount of effort to obfuscate your writing style and all your proper nouns, and it's not just effort. I think it costs you a piece of your humanity.
To answer your question about watching the abuser, if all information is broadcast (like literally broadcast openly on 802.11ac, for example), then in all likelihood, the people closest to the sources of these broadcasts are going to be the folks who can make the best use of the data. Too far away, and you won't even be able to pick up the signal. If someone further away can see value for reviewing it, then it's going to make sense to incentivize someone closer to archive and host it.
Putin and Erdogan get away with what they do because of asymmetric information. If their misbehaviour is similarly broadcast, then it levels the playing field.
And it changes journalism from being about leaking information and more about better analysis of information, its veracity, its implications, etc, as information would go from being valuable to being a commodity.
Right now, the wealthiest do appear to be writing the tax code.
And no, I do not think you should override the wishes of the people the data is about (within reason). That's central to my point. It turns knowledge into responsibility instead of power.