> If Facebook were going to leverage
    > this the way people are scared of,
    > wouldn’t there be some example of
    > them using it the way people are
    > scared of?

Sadly no, it's a real issue, because we can't predict the future. Zuck dies, is replaced by someone with a more billg frame of mind, chaos ensues. That's something we don't have any control over, so it is a valid question. The current global political situation shows the dangers of relying on political norms to protect you, rather than law.