It goes far beyond "outing" permit holders to make them social pariahs. Providing current addresses on people who have fled an abusive spouse, who have individuals who have made credible and ongoing threats to their well-being, or who have moved to escape stalkers and other freaks, places those individuals and their families at risk.
The crusade to 'socially embarrass' people could lead to their death or the death of their loved ones (or a situation similar to a recently overly reported perpetrator elimination).
At the very least, they would be in possession of a list of firearm owners, which, if published, would provide ready-made burglary targets for those inclined to stake out the residences for an opportunity to steal firearms.
One thing is certain, no good will come of such information in the hands of those who make their living revealing information amidst hype.
Another great post.