“The purpose of minimalism is to make life of the consumer easier. A job that a designer does not do is the job that a consumer will have to do — continually throughout the lifetime of a product. When a designer decides to manifest an interaction that can be accomplished with one knob as three buttons, he dooms the consumer to do three things instead of one for the whole life time of the product. Multiply this by the number of products sold and this negligence becomes a catastrophe.”