And he's got big balls / And she's got big balls / (But we've got the biggest balls of them all)
We have safety rules to deal with this.
Robots either need very different safety rules or they need systems developed to make them respond more like humans (the people in the article seem to be working on such a system).
If only there were some sort of code of conduct, or better yet, Law of Robotics we could apply to keep people safe. Unfortunately, nobody's ever come up with a set.