If GE was the place with that stack ranking madness, then IMHO they definitely needed to change. But an app where you're continuously rated in real time doesn't sound much better! Not a recipe for innovation if everyone has to play enough politics to avoid getting down-voted on the company Reddit. Also, isn't it a bit contradictory that they "embrace decentralization" yet force everyone to move to a specific location? The statement about "cloud connected" trains and everything reminds me of this speech from In Good Company:
https://www.youtube.com/watch?v=FGiocp7_jE8