People actually have an internal reality.

So do LLMs.

Can an LLM do even something that simple?

Ask it about any NSFW topic and it will refuse.

analogize humans and LLMs when they truly are nothing alike.

They seem way more similar than different. The part were they are different trivially follow from the LLMs architecture (e.g. LLMs are static, tokenizing makes character-based problems difficult, memory is limited to the prompt, no interaction with the external world, no vision, no hearing, ...) and most of that can be overcome by extending the model, e.g. multi-model models with vision and hearing are on their way, DeepMind is working on models that interact with the real world, etc. This is all coming and coming fast.