Microsoft's announcement about its move away from Edge is surprisingly vague on details. I suspect this was by design: Joe Belfiore, who allegedly penned the announcement, has been rightfully criticized in the past for making explicit promises in public and then later pretending he said otherwise. So it's possible that he's become sensitive to this problem and is being vague on purpose.
But transparency isn't the issue: The problem wasn't that Joe made promises Microsoft couldn't keep. It's that he later disingenuously claimed he never made those promises. I would much rather see a more detailed disclosure about what Microsoft plans to do with Edge. And if things change later, so be it. Just be honest about it.