LLMs managing the "coloring book" equivalent of something is not bullish for the "art" version of something.

The intent for most CTFs is to provide a meaningful challenge that concerns a single topic without introducing noise that wastes time. Of course a training exercise is easier to complete for an LLM.

I agree. The article mourns the death of pentesting as an art form due to automation. But you could also celebrate the death of pentesting as an arduous necessary evil due to automation