> Violation of privacy might lead to the situation that someone will be unemployed forever because of something that he or she wrote 20 years ago on Facebook or employees managed to fetch data that a person was depressed, has many kids, etc.

Ok but being real for a second, this is extremely difficult to imagine happening. What on earth could you write on facebook 20 years ago, short of a confession to a heinous crime, that would make you unemployable?