"The streetlight was originally designed as a surveillance device and has been refined to that end ever since then."

I'm sorry, but I don't think any normal definition of "surveillance" would include a lamp that simply allows those in the area to see their surroundings better.

Distributed observation by unconnected individuals without record keeping just doesn't seem to come close to a normal idea of "surveillance". And usually there's an element of surreptitiousness to the activity that's implied.