In that case, humans and LLMs are optimizing for different things. One would be environmental fitness, with language as a strategy to use in that environment, s

In that case, humans and LLMs are optimizing for different things. One would be environmental fitness, with language as a strategy to use in that environment, so language is about the environment, including humans themselves. Whereas the other is a model of the language humans have used. The model is being optimized for the language, whereas humans are being optimized to use the language in an environment alongside other strategies. The fundamental difference is that the LLM is not about the environment the language(s) were created for, but rather just the language use itself.