Group 1 - The core viewpoint of the news is that investor Duan Yongping has publicly acknowledged his renewed confidence in Tesla after experiencing the Model Y's automatic driving capabilities, despite a couple of safety interventions by the vehicle's system [1][2] - Duan Yongping's recent purchase of a Tesla Model Y and his positive remarks about the driving experience indicate a shift in his investment logic regarding Tesla, which he previously criticized [2] - Tesla's CEO Elon Musk confirmed that the latest FSD v14.2.1 system allows drivers to send text messages under certain traffic conditions while relying on the system for automatic driving, highlighting the ongoing evolution of Tesla's technology [1] Group 2 - Duan Yongping had previously admitted that selling Tesla stock was a "wrong decision" and expressed a belief that he should have held onto it long-term, reflecting a change in his perspective on the company [2] - Despite past reservations about Elon Musk's personal conduct and Tesla's customer service, Duan Yongping now recognizes Tesla's cost control and differentiation advantages achieved through a simplified product line and large-scale production [2] - Duan Yongping also expressed confidence in Tesla's advancements in energy efficiency and the development of the Optimus robot, indicating a reassessment of the balance between "founder risk" and "business moat" in his investment strategy [2]