The main problem with the article is that it is meandering around in ill-conceived concepts, like thinking, smart, intelligence, understanding... Even AI. What they mean to the author is not what they mean to me, and still different to they mean to the other readers. There are all these comments from different people throughout the article, all having their own thoughts on those concepts. No wonder it all seem so confusing.
It will be interesting when the dust settles, and a clear picture of LLMs can emerge that all can agree upon. Maybe it can even help us define some of those ill-defined concepts.