As someone who dabbles in making apps myself I'd rather get such feedback and have an option of fixing it (where it mentions genuine issues) than have only thum

As someone who dabbles in making apps myself I'd rather get such feedback and have an option of fixing it (where it mentions genuine issues) than have only thumbs up and then everyone moves on because everyone thinks the app/site is bad, but they don't tell you not to hurt your feelings. It is HN, after all. :-)