...What OS do you think many of these places use? Linux is still niche af. In a real, tangible way, it may very well be the case that yes, Microsoft does, in fact, run them.

The "..." is not warranted because that is clearly not the sense of "run" they were talking about.

I think you make a good point. My argument was that Microsoft's security isn't that great, therefore the risk of the model ending up in the hands of the bad actors you mention isn't sufficiently low.

Aha, ok thanks for explaining