

No, there’s no way to automatically make something become law. A successful petition just forces the European Commission to discuss it and potentially propose legislation. Even though it’s not forcing anything to happen, there is an incentive for the commission to seriously consider it as there is probably a political cost to officially denying a motion that has proven that it concerns a large amount of people.
This makes no sense. There might be various reasons a person might want/need to be on facebook. Does that mean they waive all right to privacy in every aspect of their life forever?