I don't remember really thinking about design back then. Maybe because we didn't have many choices. You wanted a tape player you picked between 4 models, cars - same thing, and so on. And there is probably an effect here of finding the best stuff and displaying it. But that wasn't the average. Most of the stuff remember being unreliable and needing repair. Electronic equipment came with nice diagrams of how everything worked, but it wasn't from the goodness of their hearts, environmental concerns, or trying to foster a "maker" culture, it was because it would actually be unreliable and break down quite often.