Amazon hates unions.
Each of the above are really symptoms of one larger problem. Amazon executives categorically oppose the idea of warehouse workers organizing because they fear that unions would slow the speedy deliveries that have become the staple of the Amazon shopping experience. From The New York Times:
Dave Clark, the company’s vice president of worldwide operations and customer service, says Amazon views unions as intermediaries that will want to have a say on everything from employee scheduling to changes in processes for handling and packaging orders. Amazon prizes its ability to quickly introduce changes like these into its warehouses to improve the experience of its customers, he said.
In Germany, Amazon employees are actually striking this holiday season: