This article is why I see LLM's as a dead end and not real AI. LLM's are somewhat useful for things related to language. LLM's are a decent search engine. But LLM's are not AI.
In general I consider neural networks to be a dead-end. But they are still considered to be under the AI umbrella.
The fact that they hired the guy who wrote the article, confirms to me that there is no substance behind LLM technology. It is a waste of time and energy.