Define "total privacy". Please, really, do so. I think once you know what you're talking about, the answer will be clear enough.
Another way of looking at things is to ask what threats you are worried about, and focus on stopping those. That will give you clarity, which right now you're lacking.
We can bet on a lot, but when you're betting on human lives, you might get hit with a massive lawsuit, right? Try to bet less.