Listen to what I say, don't do as I do. Also there are very good reasons for using windows - dogfooding your own security solutions, fact that a lot of threats

Listen to what I say, don't do as I do. Also there are very good reasons for using windows - dogfooding your own security solutions, fact that a lot of threats are targeting windows machines and the fact that he is not a high profile target (or wasn't before the NSA stuff) so no one will waste undisclosed zero day on him.