With the correct materials, in theory you could slow down light enough to control its flow through a circuit with a series of nano reflective materials and its

With the correct materials, in theory you could slow down light enough to control its flow through a circuit with a series of nano reflective materials and its overall carrying capacity for speed of information would far outmatch electrons which require a medium to travel through which ultimately renders it many times slower than the speed of light depending on the properties of the material. Even super conductors have a far greater resistance for an electron than a room full of air would on a the flow of a photon. If I had to venture the guess I would say we mastered the electron as we could control and produce it very easily, we have just begin to explore the exotic nature of photons and the potential impacts on technology they may hold