"it’s an understatement to say it’s an amazing value for the money": How is it that this Hall Effect Xbox controller with 1000Hz Polling on PC is this cheap?

The 8BitDo Ultimate 3-Mode Controller for Xbox is a relatively new gamepad armed with Hall Effect Sensors, 1000Hz polling on PC, and a generous price considering the premium-level tech it features, and it's on sale for 37% off.