Of course, when the UK was idiotically going down this path with the National Identity Register, the government (and their crony consultants) were incredibly touting the line that all the information would be perfectly safe and secure. Which, if you believe that from inveterate liars who have no skin in the game (to the contrary) - you know is utter......tos violation.
Policy makers in the US were at least bright enough to, albeit belatedly, make it illegal to use Social Security Numbers as account IDs.