because it’s much further away. if you have your desktop adapted to be keyboard-driven, things that are far apart in 2d space may be very close in logical user-event space. same holds here. moving a single finger and clicking usually requires much less movement. and movements compound.

and your observation is not at all universal. moving a vehicle is much easier via a mapping to a more abstract control, as opposed to controls resembling the effector. this abstract control also fits many vehicles. the same is true for all sorts of controls.