I put a "real" made in China, ordered from eb ay damper on my EV/Aluminium/Bassa. The damper has to move in the right direction and on the right plane with the triple clamps or 90 degrees to the fork rotation.
Also, the cheap China damper does not work the way I would expect it to work or the way a "real" damper works. It works more in line with the Moto Guzzi oem friction type damper. It only slows the rate of rotation due to the fluid being restricted and controlled by an adjustable orifice. Sudden movements do not affect the dampening.
The damper does make a difference though when ridding. It really slows the transition from going straight to turning. Actually making it much smother turning at low speeds. It is hard to tell that the front end of a motorcycle is oscillating very slightly while riding and turning. The damper seems to remove much of that.
A properly set up bike does not need a damper, which includes, tires, tire pressure, shocks, shock fluid viscosity, springs rates, rake, trail, riding speed and road conditions. Race bikes have them because they do not have a high rake angle and trail number. Making the front end shake at a certain speed. Usually a lower speed.