As far as the whole issue with the information being public, that isn't new or unusual at all. Anybody can walk into the auditor's office and ask for a nice database that can imported into Excel with all sorts of information for every registered voter in the county and have it emailed to you for $6.
When you go buy the list from Vern, (if memory serves) you have to sign a disclaimer that you're not using it for commercial purpose.
If I repost it on GHT, no such restriction is in place for the search engines who will inevitably index it.
I don't like the article very much, but I REALLY don't like the fact that the list was reposted here.