Its not a matter of Trust.I would be very reluctant to trust that in winter driving conditions or while towing. Dry summer road trips might be ok. But I have trust issues with letting someone else even change my oil so...
The system SHUTS OFF when it can't read all the road "signals" it needs to operate properly.
The Adaptive Cruise Control absolutely shuts off on snow covered roads. If it can't see the painted lines on both sides of the truck, it won't operate.