I don't care about the aestetics of the design. I only questions its purpose as a safety feature. It can stop a tire, but can it stop a spring or other debris, such as suspension parts. The answer is no, it can't the probabilty is quite low, in some cases, debris may even be deflected and hit the driver.
F1 is a show, the introduction of the device is a show, to show people that something is being done to increase the drivers safety; a scapegoat to avoid further critisism in case of another accident such as Bianchis. However, it is already a piece that belongs in a museum not on an F1 car.