> And how can anyone call themselves an adult if they need some third party to come in and censor things for them? You can block, you can mute. You can stick to trusted groups. You can also learn self control and not feed the trolls.

I'm sure many HN readers are perfectly capable of reading, researching and filtering. But let's face facts: many people are gullible at best, and at worst put themselves in an echo chamber where they take everything at face value. I don't want to make this about politics, but a prime example is Trump. The POTUS makes several verifiable lies on a daily basis, and a large segment of people just lap it up.