How do you separate real user feedback from complaints of the wrong audience?

For months, every negative review sent our engineering team into a panic to rewrite code. Looking back, half of those complaints came from people who simply weren't a good fit for what we were building.

Learning to ignore the wrong users is painful, but trying to please everyone completely diluted our product's original edge.

For founders navigating user feedback: how do you set a clear filter for what deserves a spot on your roadmap?