Other than user error (forgetting to clip) are there any other negatives to auto-belay devices? Climbing is unique among sports in that you have to trust a ran

Other than user error (forgetting to clip) are there any other negatives to auto-belay devices? Climbing is unique among sports in that you have to trust a random person to keep you alive through the most common action within the sport (falling) Given its rising popularity, the sport should be safer by default.