They will enter a political arena where privacy is likely already to be a charged issue. Privacy is how we maintain a fragile balance between the values of the majority and the freedom of individuals. When the walls of privacy move, individual freedom can shrink. Personal decisions become matters also for neighbors, employers or the police. Changes in technology are rapidly moving the walls of privacy, and we have far to go in deciding what, in an uncertain new world, we will protect.
Margin of error is higher when comparing subgroups.
It takes smarts and hard work today to keep personal information private. Don't carry your Social Security card. Keep birth certificates in a safe place. Ask why before giving out your Social Security number. Only your employer needs it, for tax purposes.