Because most products are in their own ecosystem with no overarching standard way to share information. You have some standards but usually for specific niches,

Because most products are in their own ecosystem with no overarching standard way to share information. You have some standards but usually for specific niches, no product FHIR. Just making sure every product has a unique ID would be a revolution. https://en.wikipedia.org/wiki/Global_Trade_Item_Number https://en.wikipedia.org/wiki/Global_Trade_Item_Number