XBox controllers are super inaccurate and have lot of random noise. They could have used remote controllers for drones like FrSky and plugged it in as joystick.

XBox controllers are super inaccurate and have lot of random noise. They could have used remote controllers for drones like FrSky and plugged it in as joystick. It would cost $250 instead of $25 but, gosh, you are in $100M sub!