The task of industrial internet of things (IIOT) is to empower all devices and processes in the factory to self-report in real time. In other words, you want access to the data that is in the machines on the factory floor.
Noticed I said task, not objective. You are not collecting and processing data for the sake of processing data. Your objective is to use data to do what you do better. In fact, you want to become better at using data to do what you do better.