This is some seriously scary data. It would not be hard to de-anonymize this data if you know a person's address, and I'm sure there's all sort of nefarious activity that famous people/politicians/other people might not want to be public knowledge.

On that note, I think that "with a Vengeance" is a bit disingenuous, considering that that this data could be used to personally attack people (but wasn't)... That's almost certainly not a bad thing, though.