There's definitely precedent for that behavior from Microsoft's side, obvious or not (a certain anti-trust case springs to mind). They have nothing to gain by b

There's definitely precedent for that behavior from Microsoft's side, obvious or not (a certain anti-trust case springs to mind). They have nothing to gain by being obvious about it, and everything to gain by being a whole lot more sneaky about it. I'm not saying it's necessarily what happened with the DNT header, but they'd do well to avoid drawing too much attention to themselves in certain cases.