It does look bad, However, it is not possible to make an injection molded car body in far less time when you consider the cost and time of the tooling required. Tooling design and manufacture for a car body this size would take on the order of 12 months. The machines required to manufacture a tool this size are many millions of dollars as well as the cost of the molding machine required to mold a part that size. Once you have the tools you can spit out many high quality parts very quickly at a low price per piece. However each part is exactly the same. The real beauty of 3D printing is not the quality of the final parts its the flexibility of what you can produce. With injection molds you spend lots of money and time before you get the first part. With 3D printing you get the part immediately. You can tweak the design between each print. Or you can print something different each time. There is value in flexibility. The big challenge to making 3D printing competitive as a high volume production system is getting a high quality surface finish without increasing print time.