… all of which can be controlled through scheduling, and has been baked into all business operations since before money was invented.

Meatspace fluctuations are predictable, quantifiable, and manageable through planning. The changes to hosted model behaviour are not.

Literally, the prompt terms used to manage document reading can change multiple times within a day. MS and Oracle provide decades-long consistent interfaces in their data products.

True, but we'll get there with AI models as well. To your point, we've had millennia to learn how to build large business operations on top of fickle humans, and we'll figure it out for AI too. Just getting started.