Meta's top AI scientist Yann LeCun to depart as Mark Zuckerberg pushes ‘superintelligence'
1. Yann LeCun, Meta's AI head, plans to leave for his own startup. 2. Meta's shares dropped 1.2% amid concerns about AI spending effectiveness. 3. Zuckerberg's AI strategy is being criticized as competitors thrive. 4. Meta's investment in AI is over $14 billion with rising internal attrition. 5. Recent losses raised anxiety among investors about AI's future at Meta.