1. OpenAI Formed a Team to Control Superintelligent AI: According to the article, OpenAI, the prominent artificial intelligence research company, had created a team dedicated to controlling the potential risks associated with superintelligent AI systems. This team was tasked with developing strategies and safeguards to ensure that the development of advanced AI technologies would not pose a threat to humanity.

2. The Control Team Withered Away: The article suggests that despite the initial formation of this control team, it eventually "withered away" over time. The reasons for this are not entirely clear, but the article implies that the team may have faced internal challenges or a lack of prioritization within the larger organization.

3. Concerns Remain About the Risks of Superintelligent AI: The article highlights the ongoing concerns within the AI research community about the potential risks posed by the development of superintelligent AI systems. As AI technologies continue to advance, the need for effective control and safety measures remains a critical issue that requires ongoing attention and investment from organizations like OpenAI.