It's a great concept, but why is this article written like it's ground breaking? It's a low resolution, low frame rate, led matrix in a custom shape. It's a literal hobby project.
What do you mean? You could be the guy from Doom. You could even be the guy from Doom 2. If you play your cards right, you may even be able to be the guy from Doom 3.
Give it a few years and some vulture capitalists and someone will claim that the technology will be there in 2-4 years without any prototype or successful research to back it up. Then give it another few years and they will claim that the technology will be there in 2-4 years