As an IRC user since the early 90s (EFnet and freenode), I can say that it really feels like it is dying. There are still a few popular channels with helpful people, but the vast majority of channels are silent with no one but afk users logged into a seemingly forgotten ‘screen’ session. And of the channels that do have real people, those people often seem to be there for no reason other than to tell people to RTFM,…
This is the same state of many subreddits on Reddit. Moderation should be limited to spam and blatant attacks on users. Let the voting system handle all the rest.