I remember a couple years ago, there was some sort of public outcry over sex offenders using Facebook, and since the US already has a public sex offender regist

I remember a couple years ago, there was some sort of public outcry over sex offenders using Facebook, and since the US already has a public sex offender registry, it is only natural that Facebook would face pressure expected to block anyone on it. I can only assume that this is some perverse extension of the same idea; protect society from the bad people.