[ForEnglandJames]

That's very well thought-out. The tinfoiler in me wonders if that's true, though, and if there aren't subtler avenues for circumvention that still target this trust-based system, especially via social engineering.

I had little interest in security before Snowden, so admittedly, I need to lurk moar and keep learning. Thanks for offering another argument I can try to fit against new facts I encounter and helping me continue that process.