Except that you only have to make a mistake once, you're really tired and a spear phishing attack happens and you open up that attachment - you're screwed. He

Except that you only have to make a mistake once, you're really tired and a spear phishing attack happens and you open up that attachment - you're screwed. Hell, it may not do anything or it may install some super shady malware that will stay dormant for a long time. Security is fundamentally broken - there is a lot of innovation that needs to happen to make our computers more secure. There are a lot of non mainstream systems that have better security, we need to move their practices/architecture into the mainstream. Hell, when you see things like quantum insert - how can any user be expected to keep their machine secure.