What it shows are two unrelated results mixed together for no apparent reason besides marketing. The raw-weight results are impressive, but haven't been demonstrated as ready to scale up to a real language model. The Qwen result is a mildly interesting application of functionality that's been on the market for years.
If you think that the definition of "RSI" includes systems with a coding agent in the critical path, something humans can already do albeit faster, then your definition includes all of human history. If your definition includes AI systems that learn in a similar way to biological intelligence, then only the raw-weight results from this paper are pertinent. Those results are indeed interesting! This article is merely disentangling them from the frontier-lab-fueled hype that overran yesterday's thread.