"Few artists call themselves designers because they seem to better understand the difference. Artists do not create their work to sell a product or promote a service. They create it solely as a means of self-expression, so that it can be viewed and appreciated by others. The message, if we can even call it that, is not a fact but a feeling."
Art is Patron-ed, Design is Purchased. Art existed before capitalism, before design was "bought", things were merely improvements or innovations made by intelligent people or practical users. Art is an invention made by an individual, for individual interpretation.