the element missing here is an old idea -- appliance versus tool. Post-Industrial revolution, inventions of all kinds could be mass produced and marketed, but t

the element missing here is an old idea -- appliance versus tool. Post-Industrial revolution, inventions of all kinds could be mass produced and marketed, but to whom? for what? The idea of 'appliance' is as you say.. consumer wants it for a function, they buy it, it should work.