The past data center standards is like "Fight Club"
Welcome to Fight Club. The first rule of Fight Club is: you do not talk about Fight Club. The second rule of Fight Club is: you DO NOT talk about Fight Club!
Facebook has participated in a set of videos that are like other industries have done to launch their efforts in an area.
When you watch these videos see you if you can see any downside about what they share. The old secretive ways of data centers are dying out. Being open and transparent in some areas has benefit.