It should be this link:
The turbulent AI era is here. The choices we make now are critical.
https://www.gatesnotes.com/work/work-section-topic/reader/a-turbulent-ai-era-and-critical-choices-to-make

Currently, it is pointing to his January 21, 2026 essay on AI usage in healthcare:
Expanding access to health care through AI
https://www.gatesnotes.com/work/make-ai-work-for-everyone/reader/expanding-access-to-health-care-through-ai

Less, but still hated. Seems reasonable.