I thought the author made a bunch of assumptions about her, too. Things like:

    She handed me her MacBook silently and the look on her
    face said it all. *Fix my computer geek, and hurry up 
    about it.*

That's quite a leap from merely the look on her face that you saw for all of 2 seconds before taking her laptop.

    To people like her, technicians are a necessary 
    annoyance. She’d be quite happy to ignore them all, joke 
    about them behind their backs, snigger at them to their 
    faces, but she knows that when she can’t display her 
    PowerPoint on the IWB she’ll need a technician, and so 
    she maintains a facade of politeness around them, while 
    inwardly dismissing them as too geeky to interact with.

Hooooly cow, that's quite a lot of bitterness. I'm surprised this was written for a website called "coding 2 learn" and not "people, who should never be in a position to teach, talk about why they hate others for no good reason."

    I’ve heard this sentence so many times now from students 
    and staff, that I have a stock reaction. Normally I pull 
    out my mobile phone and pretend to tap in a few numbers. 
    Holding the handset to my ear I say ‘Yes, give me the 
    office of the President of the United States… NO I WILL 
    NOT HOLD, this is an emergency… Hello, Mister President, 
    I’m afraid I have some bad news. I’ve just been informed 
    that The Internet is not working.’

It just keeps getting worse and worse. That's probably the most painfully unfunny thing I've ever heard. I feel sorry for the people at his school; they got the stereotypical "caustic geek who thinks he's so much better than the plebes who don't know computers" as their network support.

He treats everyone who approaches him for help like shit and then wonders why no one knows about computers? Real head-scratcher there.