Perhaps because foreign governments with a known antagonistic stance would happily sell or hand over your data in order to cause large-scale economic instability via account attacks, political instability via fostering the prosecution of minority groups (as identified by said data)... get creative. Large-scale data on your enemy's citizenry is a new weapon in the modern arsenal, and we haven't seen anyone really try to use it yet, but I suspect the results when they do will be ugly.