It’s not merely natural. It’s human.
I'm not disputing this, but I also don't see why that's important. It's a representation of the world encoded in a human format. We're basically skipping a step of evolving a way to encode this data.
We know that LLMs, when fed human-like inputs, produce human-like outputs. That’s it. That tells us more about LLMs and humans than it tells us about nature itself.
Did you actually read through the paper?
this is a very good take on why Germany does this https://spore.social/@ayoub/114653676641160705