but it would create security nightmares - just not like skynet.

This article is far off the mark. The improvement is not in the user-side. You can write docs or have the robot write docs; it will improve performance on your repo, but not “improve” the agent.

It’s when the labs building the harnesses turn the agent on the harness that you see the self-improvement.

You can improve your project and your context. If you don’t own the agent harness you’re not improving the agent.