Another similarity is that 4-year-olds will often pick up words and phrases from people around them, and learn associations between those words and phrases with

Another similarity is that 4-year-olds will often pick up words and phrases from people around them, and learn associations between those words and phrases without yet having learned their meanings or having any of their own experiences to relate them to. So a young child might answer your question with a response that he heard other people say to a similar question, without actually understanding what he's saying. LLMs are basically this at a grand scale.