Re: It's the final countdown.
If you say so, but I'm still seeing a combination of wishful thinking coupled with finding reasons why politicians will treat the thing you want to happen a lot more seriously than they treat most things.
You originally told me about "change being driven by politicians of all levels", but now, you've reduced this to Denmark. Even if I accept your theory, that doesn't explain why I should have confidence in German and French politicians, and I don't, although I do have some confidence in German and French government IT employees.
It also assumes that all Danish politicians view the Greenland situation in the same way you do. Some of them might not think that the US is about to invade them because that would be ridiculous and stupid. Of course, the US has demonstrated that something being ridiculous and stupid isn't necessarily a reason not to do it, but that's far from proof that they would start an invasion, which would theoretically require all NATO members to declare war on them. They also have a lot of examples of Trump's negotiation style (start with something ridiculous in the hope of getting something large but having people think it's smaller because it's not the ridiculous thing), which would suggest that the risk of military invasion is not the one they need to worry about, with economic or diplomatic coercion being more likely attempts.
And, if the US did invade Greenland, shutting off Microsoft products to Denmark wouldn't be a very important tactic. Doing it would cause chaos, but they don't need to. The US has lots of soldiers they can drop onto the parts of Greenland that they care about. They have lots of ships and aircraft they can place near Greenland to look for reinforcements. A lot of those things are already in Greenland.
And, by the way, that doesn't have to be true for it to have an effect. The US could have a Greenland Invasion Bureau in Washington right now, and as long as some Danish politicians don't think that's realistic, they can easily not share your assumption about how urgent it is to switch away from Microsoft products. This cannot be the first time when you've seen a politician ignore something that you think is a serious problem because they either don't seem to recognize it as the threat that you do or because they don't like what they'd have to do if it was so they're choosing not to look at it to avoid having to make the hard choices. You seem quite pleased that politicians have made this choice. That they seem to have done so doesn't prove that they will stick with it or that they have technical understanding of what it is.