I wired a plug for the first time in my life this past year. Nor have I ever known someone who has wired a plug. It's pretty rare to have to do something like that, in my experience. Certainly at 18 I wouldn't have had any reason to believe that was even possible.
Sure, obviously different people will have different experiences. That's why I was careful to qualify it by saying "in my experience". But we never did that at home (though oddly enough my dad did plenty of other electrical work around the farm), and it definitely wasn't something I got taught in school. Until this year when I replaced my dishwasher, I had no idea one could even replace a power plug or that some things required you to wire a power plug into them.
Wow, that is almost impressive. Especially since you will find power plugs hanging next to the light bulbs in almost any grocery store in the world. But I guess, one need to know, to see them. Maybe we shouldn't think the users of our software are totally hopeless when they don't find all the functions we put in the menus.
Heh, as a former EE masquerading as a software developer, I would elicit gasps by...taking the case off a computer (do it while it's turned on and jaws hit the floor).