The Download: China’s dying EV batteries, and why AI doomers are doubling down

China is facing challenges with recycling electric vehicle (EV) batteries as the first wave of EVs reach the end of their lifespan, putting pressure on the country's battery recycling industry. Meanwhile, the AI doomer community, concerned about the potential negative impacts of advanced AI, is facing setbacks amidst rapid AI development and uncertainty in future demand. TikTok has signed a deal to continue operating in the US, and other tech news includes the shutdown of fake movie trailer channels on YouTube and developments in space exploration.