Feedback. Who needs it? Or, more precisely, who needs it in its modern form, delivered digitally, shared globally, ossified for all time and crystallised by coarse star ratings?
The more informal, diffuse and indirect kind has always been there. It’s called the marketplace. If they’re queuing in the rain outside the establishment next door while your place is empty, that’s feedback. If volume share starts slipping, you know you have to improve at least one aspect of the product/price mix...
http://www.campaignlive.co.uk/article/online-ratings-user-feedback-arent-useful/1435306/