From experience, not with the USPS but still, the customer tells the carrier to prioritize. Customer as in the company buying services from the carrier, here Am

From experience, not with the USPS but still, the customer tells the carrier to prioritize. Customer as in the company buying services from the carrier, here Amazon, and notbthe customer of Amazon. And it is up to, in this example, Amazon and USPS to make sure staffing and capacities are adequat. If you are among the top three customers of a company, you hold a lot of sway regarding prioritization. And during holiday season, stuff like that happens all the time.