I think the main problem is that this information is no longer limited to people able to view printed copies of the data, but available to anyone in the world w

I think the main problem is that this information is no longer limited to people able to view printed copies of the data, but available to anyone in the world with internet access (immediate, and free), and much more quickly searched and used. Even in super privacy-conscious Germany, anyone can get my home address... but they still have to be willing and able to physically go to my town's registry office and individually request it.