when you talking about balance, you must associate a timeframe with it. the amount of safety you get by sacrificing a single unit of privacy can be changed through technological advancement.
In your subconsciousness you think that a genius has to be imbalanced somewhere in life. a dear cost to be paid, even. I wonder if that is really the case?
for this kind of gadgets to truly win the favor of security-minded folk, first it has to be durable, which most of the product (include this one) failed to show.