Facebook should not be permitted to destroy the concept of privacy for 2.4 billion people.
Holding the data they do should be as criminal as having official secrets. All of it should be incinerated and anyone who tries to hoard a backup subjected to the same penalties as are reserved for traitors, pedophiles and murderers.
You must be coerced by the state to protect you from people like Zuckerberg. The entire model shall be outlawed.