This is from Jun 8 so "Just" is misleading. It caused some buzz back then, but did not pull the plug on AI hype. What might have done so was the release of GPT-5 by OpenAI that failed to meet expectations, especially those who were expecting a huge leap in capabilities towards AGI. I'd say those fever dreams have been dashed.
Need a quantifiable proxy to visualize the ebb and flow of LLM expectations.