If with "this beast" you mean Inigo Quilez, he worked at Pixar for a while, made shadertoy, and teaches the world maths via shadertoy, his own website and his yt channel. So he's doing pretty well I'd say
Just in case you're interested, there's an FPS made with similar techniques, called .kkrieger. The game itself if <96kB, and won the team a competition in 2004.
