There is a lot of old tech out there that could be implemented and would probably provide ROI, but isnt. So many businesses are still running on paper! My point

There is a lot of old tech out there that could be implemented and would probably provide ROI, but isnt. So many businesses are still running on paper! My point is that industry isnt just sitting around waiting for new tech so they can get higher efficiency, there are reasons why not everyone is doing the latest and greatest (including ML) and they're usually valid.