The crucial difference is that ELIZA's scripts were made by hand and a modern LLM has gigabytes of "scripts" that were learned automatically. They're not really

The crucial difference is that ELIZA's scripts were made by hand and a modern LLM has gigabytes of "scripts" that were learned automatically. They're not really comparable. We didn't know how to do this learning, or have the data and hardware to do the training on back then.