Microsoft is dead in the sense you don't have to worry about them.
Privacy is dead in the sense that you definitely have to worry about it. Wearing a small IR LED on a cap should be enough to block most CCTV photos of yourself. Most people won't, but if you care, you can take action.
Both are dead in the sense of inevitability. How much longer do you expect the IR LED trick to work?
Why should I worry about losing my privacy? Certainly there are secrets I need to keep, like my bank account details, but those are of a different nature. I won't be surprised if in a couple of decades, anyone on the planet will be able to find out everything I've done all day, complete with high-definition movies of it happening if they want. And, to be honest, I'm quite ok with that.
Privacy is dead in the sense that you definitely have to worry about it. Wearing a small IR LED on a cap should be enough to block most CCTV photos of yourself. Most people won't, but if you care, you can take action.