You have just summarised the XKCD tech support cheat sheet: http://xkcd.com/627/ http://xkcd.com/627/ I think the reason for this is that computers are too ea

You have just summarised the XKCD tech support cheat sheet: http://xkcd.com/627/ http://xkcd.com/627/ I think the reason for this is that computers are too easy to stuff up. You see this when you go to fix someones computer, and you have no idea how they got it into that state. They can not describe how they did it. This is why so many people love the iPad, you can not screw it up (at least, it is a lot harder).