A first class plane ticket is better than an economy class one. A luxury car is better than a cheap car. Those upgrades might cost too much for their value, but

A first class plane ticket is better than an economy class one. A luxury car is better than a cheap car. Those upgrades might cost too much for their value, but they are valuable. The Juicero is roundly mocked because, despite the cost, it is worse than a regular juicer in a whole lot of ways, and only better in a very few ones. To use your examples, it's mocked much in the same way an expensive restaurant is mocked when it offers crappy food under a veneer of pointless luxury.