The laws don't have any objective interpretation. What exactly is "harm" from a mathematical point of view? This is good for storytelling, because it let Asimov

The laws don't have any objective interpretation. What exactly is "harm" from a mathematical point of view? This is good for storytelling, because it let Asimov write stories about robots behaving in strange ways, and the protagonists struggling to figure out how it made sense as a possible interpretation of the laws, but it's no good for actually building robots.