You can learn how compilers work and understand how they do what they do. Nobody understands what’s in those billions of parameters, and no one ever will.
disclaimer: I know next to nothing about llms. and I'm not that interested to learn about them. just asking casually.
Because parsing and writing human language in a natural way is extremely complex.
> and was it humans who generated so many?
No, it is generated using an algorithm that tries to predict the next word in human written text using the words that comes before it. It ingests basically all the text on the internet to do this, without that much text the LLM performs horribly.