Don’t forget their other video.
It’s hard to believe Minecraft of all programs could be seen as a next-gen arch-vis tool, but the mods make it only a tessellation shader and a less cubic look away.
Now imagine if this was Eevee’s GI with the full power of a DCC app, add caustics and tessellation and it would revolutionize the ability to make high-quality animation on home hardware. I say animation because Cycles would still be king in terms of producing the best imagery possible.