“McKinsey has projected that AI will contribute about $8 trillion to the global economy each year. But Cembalest appears skeptical. “For adequate returns on AI infrastructure to materialize, within the next 12 to 18 months we will need to see a greater shift in favor of “inference” tasks (AI used to run production models for corporate customers) rather than GPU capacity primarily being used to train foundational models and chatbots,” he says.”

8 trillion?!?? How where?