 But a new Senate report says it's dangerous for its warehouse workers. According to data provided by Amazon to the Senate, the warehouses were understaffed during Amazon Prime and during the holiday season. But Amazon says the data is years old and ignores the progress the company has made. Dan Ronan, WTOP News. Discover your potential at Ennoble First. Join them for data-driven decisions, great benefits, and growth. Apply at ennoblefirst.com.