Mine works just fine for what I want it to do. That being said, I believe there is a always a certain level of room for improvement, but one has to be reasonable with their expectations. They also have to understand the nature of shelf life and demand. Oh well.
"How selfish soever man may be supposed, there are evidently some principles in his nature, which interest him in the fortunes of others, and render their happiness necessary to him, though he derives nothing from it..." - Adam Smith