Which is about as reassuring as saying "we don't store your criminal record, just the bytes that make it up". What you want to do with fingerprints is compare

Which is about as reassuring as saying "we don't store your criminal record, just the bytes that make it up". What you want to do with fingerprints is compare them to fingerprints found. Hashes let you do that. THAT's what we want to prevent from happening in order to have privacy.