Requirement That Users "Opt-Out" of Changes to Facebook's Privacy Settings

Multiple Choice

requirement that users "opt-out" of changes to Facebook's privacy settings was considered unethical because

A) "by default" privacy settings would not be changed.
B) all Facebook users want automatic updates to new features such as facial recognition.
C) Facebook was providing additional privacy and security for its users.
D) "by default" privacy settings would be changed.
E) the new privacy settings made it harder for brand managers to find "evangelist" consumers of their products.