Experienced fliers (instructors) don't like the auto pilot feature because it counters pilot inputs & makes the plane unresponsive (it also has a few minor "quirks). It is intended to correct overcontrolling, & some fliers truly need it. They will progress faster with it --up to the point that they can fly well enough to turn it off. Those that don't need it are better off not using it, because they will have to re-emphasize some control input behaviour.