And not just advertising. If ICE asks Microsoft to identify accounts of people who have uploaded a photo of "Person X", do you think they're going to decline?
They'd probably do it happily even without a warrant.
I'd bet Microsoft is doing this more because of threats from USG than because of advertising revenue.
> They'd probably do it happily even without a warrant
I'm old enough to remember when companies were tripping over themselves after 9/11 trying to give the government anything they could to help them keep an eye on Americans. They eventually learned to monetize this, and now we have the surveillance economy.
The privacy violations they are racking up are very reminiscent of prior behavior we've seen from Facebook and Google.