Excellent point, and I'm well aware. Vigilance (and a proactive security posture) are the price of privacy--and I suspect nothing of actual value will be lost.

Excellent point, and I'm well aware. Vigilance (and a proactive security posture) are the price of privacy--and I suspect nothing of actual value will be lost. It's preferable (to me) to blacklist /everything/ and deal with any future connectivity issues on a case-by-case basis.