That's the point. As long as you can't buy a laptop with Linux on it at your local computer store, the average user will stick with Windows. And MS will do everything they can to keep it that way.
The dude visited an air show where you can be sure the place will be crawling with spies. Then he called in to a video call from an unsecured line. What a fucking clown show.
Be it as it may, but it's still a massive embarrassment for the German army. Especially if it turns out they were really discussing stuff like that on Webex.
My opinion is that the US and European incumbents are basically in the grip of the financial industry. All that counts are short term returns. Technically, they'd be up to the challenge but that would mean reduced margins in the short to medium term which is why it's not happening.
What exactly counts as "moderate" in the present day US political landscape?