Right-click on Kingdom Come Deliverance 2 and select ‘Properties’. Go to the ‘Controller’ tab and select ‘Disable Steam Input ...
It's tempting to push your joysticks aggressively, but doing so can lead to them becoming worn out faster than usual. Updating the controller regularly can also prevent and fix the drift.
The joystick is bulky, but it looks like he’s got plans for a much smaller one with [Carl Bugeja]-style PCB motors that should fit into a PS4 controller. That’s the subject of the second video ...