If you can only have one joystick it makes more sense to use it for joystick movement… it’s pretty much the one thing joysticks are really good at. The touchpad works much worse as an analog movement control than as a way to control the camera angle.
In fact, the touchpad is superior to the joystick at controlling the camera when games are designed for it and allow simultaneous mouse and gamepad input. The issue is that most games don’t, which means you either have to remap everything to keyboard and mouse (which is less user friendly and requires mental training) or you have to use some emulated joystick configuration that makes the touchpad feel janky, since joysticks have such a bad sensitivity when compared to a mouse/touchpad.
However, even with that issue that many games cause, it still feels more janky to use the touchpad for movement.
