> Person A can send you abuse, so you block them. Person B though is free to send you abuse, and so can the next 10,000 people. That's a completely fantastical

> Person A can send you abuse, so you block them. Person B though is free to send you abuse, and so can the next 10,000 people. That's a completely fantastical example. A normal person will never have close to unmanageably many replies. This is at most a problem for celebrities, which can be granted other solutions, e.g. only people they follow can reply, which solves the problem. > Moderation is essential for most online communities. There is a big difference between forums and social media, where you choose your own filter bubble anyway.