Apple replaces Siri boss in AI shakeup after CEO Tim Cook loses confidence: report

1. Apple reorganizes to improve its struggling AI initiatives. 2. Delays in Siri improvements are expected until 2026. 3. Mike Rockwell now oversees Siri after Tim Cook's confidence loss in Giannandrea. 4. Rockwell led Apple’s Vision Pro headset development. 5. Apple announced AI-driven features last year but has faced product execution issues.