Surely the cited 0.10 USD per package delivered, plus fuel expenses, must be a typo?
To Amazon, DSP's are just useful fools who will destroy their credit and go into bankruptcy to support what Amazon knows to be an unsustainable business model.
Or...Amazon is already squeezing Element, and Amazon just wants semi-intelligent meat sticks to drive the vans and carry packages. And because even minimum wage is too much to pay...