Earlier quoted context omitted.
Well, in general you can also ignore people on IRC, you can ban people from channels, and some IRCds support restricted DM permissions which require a user to share channels with you and be _validated_ to message you. We don't have these sorts of controls in Slack because it's built to support companies with Human Resource departments. Communities like ours don't give the Slack shareholders value. So in some ways it'…
>you can ban people from channels Why not ban them completely and have a private appeal process? How often are people a nuisance in one channel yet valuable in another?
The distributed moderation works well with large networks, because the people doing the moderation are in the channel reading it and keeping up with the conversation.
However, because the bar for becoming a channel operator is low, it's not a good idea to give full ban access to them.