I think this service is valuable. It provides an insight into what people are annoyed by, even if it does not provide actionable solutions.

Jobs wasn't too far off when he said:

Some people say, "Give the customers what they want." But that's not my approach. Our job is to figure out what they're going to want before they do. I think Henry Ford once said, "If I'd asked customers what they wanted, they would have told me, 'A faster horse!'" People don't know what they want until you show it to them. That's why I never rely on market research. Our task is to read things that are not yet on the page.