As the author points out, that Emacs is a highly extensible 'operating system' which makes it relatively easy to bring different tasks together. -- This ought to be a natural parallel to what the agentic tools are trying to do (use MCPs and skills etc. to bring different functionality to the LLM execution environment).
That LLMs can help users extend emacs ought to lower the difficulty curve.
Still. It's silly to wish that Emacs could be the LLM's best friend, rather than demonstrating how it is.
RE: "what if in the future all coding skills are irrelevant". My experience has been that good results from LLMs come from putting good thought into its usage. They're quite far from a magic "push the button and get the result you want" where the skill doesn't matter.