Most end-users aren't expected to master high levels of technology. But there are those folk who don't seem to grasp common sense or basic etiquette. Even a little more awareness would make their lives easier -- not to mention the lives of the techs who have to help them.
Take the unfortunate admin who was handed a smartphone that didn't work. Way too late, the user 'fesses up that he'd dropped it in the urinal. Add to the tech toolbox: Rubber gloves, hand sanitizer, and patience, all in large supply.