I'll believe it when they release a tech demo. Until then I believe they can be adequately be disproved from a theoretical standpoint. "Trillions" of "atoms". Whatever. At 32 bit float precision an 8GB graphics card can hold just over 2 billion float 4's in memory. Even if they're streaming from the hard drive that's data…
In truth, I was still learning. 2016 was a long time ago where I thought UE4 was the only software I needed. If I were to go back to UE4 today, I would stick to my original plan of a game that only uses hand painted diffuse textures and nothing else. For photorealism, I'm making pre-rendered cutscenes where I just design…