It's a correlation-causation problem. I'm sure terrorists ARE all about online privacy, so if you're all about online privacy, you MAY be a terrorist. But when

It's a correlation-causation problem. I'm sure terrorists ARE all about online privacy, so if you're all about online privacy, you MAY be a terrorist. But when you break it down, maybe 80% of terrorists (a small group) favor online privacy, but only 0.0001% of those who favor online privacy (a large group) are terrorists. The same reason I have to take my shoes off at the airport: because one asshole tried to hide plastic explosives in his over a decade ago.