This is an example of superior intellectual performance to humans. There’s no denying it. This task is intellectual. Does not involve rote memorization. There are not tons and tons of data pairs on the web of minimized code and unminified code for llms to learn from. The llm understands what it is unminifying and it is in general superior to humans on this regard. But only in this specific subject.
I don’t claim expertise in AI or understanding intelligence, but could we also say that a pocket calculator really understands arithmetic and has superior intellectual performance compared to humans?
There was a time when winning in Chess was a proof of humans' superior intellect, and then it became just an algorithm. Then Go.