Practically all end-user facing companies already do that on some level; many use informal methods, big ones use formal systems such as Net Promoter Score
(NPS). Most don't release their own research, but many industry associations and magazines do their own studies which can be used for benchmarking.
I'm not aware of something like this in photography other than a disparate group of price comparison websites with highly suspect data quality. An independent source would be valuable, but without some serious financial backing it would have to rely on self-selecting user inputs, which can and will be abused.