F.B.
Your logic continues to be along the lines of ... we need to take cars off the road, as someone might crash .... we need to take cigarette lighters off asylum seekers, because they may burn down our property ....we need to destroy all guns, because someone might shoot someone.
All these " bad things" have come to pass to some extent, and we are aware of it. However, we, as a community, have put what preventative measures we can in place and then we have decided to live with the residual risk .... as a cost of doing life.
That's where GPS-Guided Buzz Bombs fit in also ... yes, we acknowledge they might happen, but taking all the various probabilities, likelihoods, preventions and consequences into consideration, we have decided to take that risk.
Let it rest. We know ... cars might crash.