What you are seeing is a major weakness of platforms like HN and Reddit. This weakness could very well cause more harm than Facebook, but studies or articles th

What you are seeing is a major weakness of platforms like HN and Reddit. This weakness could very well cause more harm than Facebook, but studies or articles that point this out likely wouldn't receive exposure on the platforms they impugn. We've seen the negative effects of this feedback loop in the past (who else remembers Reddit's role in the Boston Marathon bombing?), but it is clearly a much lower priority than the current Facebook witch hunt.