I'm assuming it's a parse-transform-process pattern of some sort-- I'd very interested in the ability to handle the parse and transform and, putting myself in your shoes, just disable amazon specific analytics.
Putting it a different way, let's say, a web service that accepts an aggregate of reviews for product X from seller Y and generates site agnostic resultsets
I had an idea like this site back when Nvidia announced some machine learning API until I read a white paper that said human beings can't tell fake from genuine statements but like all machine learning, "How does one generate an "answer" set?" The closest you've gotten, I think? is the pulled reviews by amazon dataset.
Anyway. I get it. No external user control. Makes sense.