Earlier quoted context omitted.
The whole point is that you cannot meaningfully consent to give out information about your friend since they’d have to consent to that. Even acknowledging they exist and are your friends is already information. To make matters worse, the v1 API would happily hand out information about your friends, such as their likes without _their_ consent. Not your privacy is breached - theirs is. And there’s no way user A can mea…
It was yours to share because it was shared with you.
Failing to honor that assumption is facebooks fault here.