The only justification I could come up is that Facebook has grown so big that "one hand does not know what the other hand is doing." The security and privacy fo

The only justification I could come up is that Facebook has grown so big that "one hand does not know what the other hand is doing." The security and privacy folks at Facebook agreed to this kind of abuse is somewhat hard to believe and the most likely explanation is that these features never got fully reviewed and vetted. Either way its a big failure.