Which would be very inaccurate as network-effects are Excel's (and Word's) moat. Excel being bundled with Office and Windows helped, but it beat Lotus-123 by being a superior product at a time the computing landscape was changing. OpenAI has no such advantage yet: a text-based API is about as commoditized as a technology can get and OpenAI is furiously launching interfaces with lower interoperability (where one can't replace GPT-4o with Claude 3.5 via a drop-down)