The degree of confidence in your dismissal is odd given how prominently Facebook's emotional manipulation experiment has been covered by major market media outlets. See, e.g.:

https://www.nytimes.com/2014/06/30/technology/facebook-tinke...

https://www.theguardian.com/technology/2014/jun/29/facebook-...

https://www.theguardian.com/technology/2014/jul/02/facebook-...