I’ve had several folks ask me about the latest pitch from Porter & Co., which was mostly about hedging for the likely collapse of the “circular economy” of artificial intelligence capital investments that revolves around OpenAI.It’s a compelling argument that you’ve probably heard across the financial media (and social media) over the past year — that OpenAI is building a house of cards by raising tons of money to pay for hardware and services from partners who own data centers and provide chips, but is far ...