I've dealt with people who have wanted a retraction of negative comments to their business on the web, I explained it didn't work that way as best I could, but

I've dealt with people who have wanted a retraction of negative comments to their business on the web, I explained it didn't work that way as best I could, but there isn't much you can do. Same with this, if they are irate about a low rating, you play nice, but you don't expect them to learn the ins and outs.