We're pretty confidently letting AI drive 2 ton metal vehicles on the road, and letting them fly around in the sky with grenades. A farmer-bot with a laser sounds pretty tame to me.
It has a guidance system that is connected to a wheel that is friction attached to the steering wheel and turns it on an old tractor. A newer system with an old tractor - https://youtu.be/t0uIYjOds_o
Newer tractors have this built in. The modern tractor cab is a mini data center. https://youtu.be/ZhOvchjeqgM (and you can see that he's not touching the wheel most of the time)