What if robots became sentient? What if animals could talk? (parrots don't count). Should they have rights? This is admittedly an extreme example, but hypotheticals get into realms which are divorced from meaningful discourse.
One involves VR which is far more advanced than what exists. But, it's pointless to hypothesize about (as if it matters to policy), because it doesn't exist.
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Also, you have to imagine that policy interventions are likely to have negative implications, and these implications might not be obvious. This is already a problem. It's even worse if someone is coming up with policy interventions for scenarios and technologies which don't even exist.
