Just because you can, doesn't mean you should. It's a nice advertisement for their skills but it really doesn't retain anything 1970 Chevelle like.
Just my take. I admit I've never been a GM fan.
It is certainly interesting to see how far 3D printing has come, and to show case the technology. An out-of-this-world build like this could inspire some unique one-off parts in a personal build. Kindigit does 3D printing and it is pretty tasteful.