Facebook always errs on the side of the publisher. Their guiding principle when it comes to user privacy is that if the publisher of some information doesn't w

Facebook always errs on the side of the publisher. Their guiding principle when it comes to user privacy is that if the publisher of some information doesn't want it to show up, or if they change their mind, applications must respect that preference immediately. So, anyone who has worked in this space could've seen this coming a mile away. Anything that indexes even potentially private information, or makes it indexable by third parties, is inevitably going to be shut down.