We take our cars to an independent repair shop who also has the contract for the Fed-Ex trucks. He says the things some of these drivers do to the trucks defies logic. I believe you are correct that there is some gross incompetence, but there seems to be destructive intent as well.
Back in the day we came up with all sorts of ways to use the 35mm film canisters. Now we are doing the same with pill bottles.
Not a criticism of anybody. Just an observation.