Not number plates but I have seen it suggested that pedestrians and bikes where sensors to make the transition to autonomous cars easier, so if you choose to not wear a beacon and land up getting hit then you are at fault
Sounds like a horrible idea, although it's probably not too far off being able to happen anyway using your mobile and all the mesh type stuff that lets air tags and covid apps work.
Not number plates but I have seen it suggested that pedestrians and bikes where sensors to make the transition to autonomous cars easier, so if you choose to not wear a beacon and land up getting hit then you are at fault