Even having “1000 friends”, which sounds amazing, is statistically insignificant when we are talking about populations of millions or billions. Think about the last “really long thread” you read on Reddit or something, and think about when you tuned out: was it a few dozen comments, maybe a few hundred? Still statistically insignificant, or at the very least severely biased.
People are regularly exposed to, and worse respond to, statistically biased samples. This is a really, really bad thing. What we need is a way to almost forcibly blend samples from many different populations so that the number of comments you can “stand” is a more representative sample. That way, when you get up in arms about “what people think”, it might actually represent what “people” think instead of “my friends” or whatever other biased sample is out there.