agentsfactbullishAndrej Karpathy completely reversed his view on AI agents from calling them 'slop' to describing them as 'alien tools' that are 'rocking the profession' within two months80,000 Hours08 Aug 2026https://80000hours.org/podcast/episodes/2026-agi-timelines/?utm_campaign=podcast__2026-agi-timelines&utm_source=80000+Hours+Podcast&utm_medium=podcast