I don't want to argue with you, because your thoughts are right and you raise valid good points when interacting on social media.
But just to add something, I didn't say he's a bad person, I have no clue about that, I did say he's a bad IT person. In other words, not qualifies for the role, if I can have an opinion on that.
You're changing the environment to favour your fight. I agree with you, 90% of the times in servers space, Linux works better.