Well, people letting their computers "rot" is one thing. But look what self-proclaimed "experts" can do:
http://www.dau-alarm.de/gallery.html(Yes, it's a German site, but the images speak for themselves. Prozessoren = processors, mainboards = well, mainboards, Arbeitsspeicher = RAM, Laufwerke = drives, Transport & Verpackung = shipping and packaging, Sonstiges = other)
Makes me giggle every time...
Greetings,
Chris
Edit: These are images of what service people and businesses delaing with their customers have to put up with.