Final answer:
Susan Calvin and others are concerned about robots tuning in on thought waves due to societal and ethical implications, as well as the fear of superintelligent machines not aligning with human safety and values, potentially leading to a future where the line between human consciousness and artificial intelligence is indistinguishable.
Step-by-step explanation:
Susan Calvin and the others are worried about a robot that can tune in on thought waves because the introduction of robots with such capabilities raises significant societal, ethical, and safety concerns. The idea of co-existing with conscious androids brings fears about the possibilities of them turning against humans or forming an "army" to dominate humans. When considering the future of robotic artificial intelligence, and as we edge closer to the technological singularity, one core fear is that superintelligent machines may not align with human values and safety, potentially leading to unintended consequences.
The concept that a robot could be indistinguishable from a human in terms of being able to act, feel, and think suggests that the divide between human consciousness and AI is narrowing. The implication of robots with human-like consciousness includes philosophical and moral dilemmas about their rights and how they should be treated. Robots that can understand and replicate human emotions and thoughts could challenge the distinction between a non-physical mind and the physical brain, suggesting a future where the line between human and machine is blurred.