https://www.youtube.com/watch?v=qrvK_KuIeJk&t=284s

For context, George Hinton is basically the Father of AI. He's responsible for the current resurgence of machine learning and utilizing GPUs for ML.

The video puts it plainly. You can get pedantic and try to build scaffolding around your old opinion in attempt to fit it into a different paradigm but that's just self justification and an attempt to avoid realizing or admitting that you held a strong belief that was utterly incorrect. The overall point is:

   We have never understood how LLMs work. 

That's really all that needs to be said here.