It seems like a lot of work. And the risk is high. I don’t know the penalties off the top of my head, but I think the penalties for stealing from the United States postal service are significant. There have to be easier crimes. And to have multiple people involved in such a high risk treasure hunt? That’s risky.I would imagine an extortion situation where a driver is pressured to stop with their packages somewhere. Persons check the truck and pick what they want. Then later (say next day) the boxes reappear at the same weight in the counterfeit package. Then the items could be sold. For under 100k you could have a scanner tool of some type or they could simply be risking it and replacing the packages with fakes. On the average they could make a profit. In the end the driver gets caught in some issue and is fired. If labels are printed digitally they could easily be copied and printed again, and so on.
And all it takes is for a second report of a package full of paper received from the same hub? That’s probably game over.