Earlier quoted context omitted.
Now teach the other hundreds of thousands of ex-IRC users how to set up their own bouncer servers and get them to actually stick with it for any amount of time.
Exactly. "Just use a good client that's always online" doesn't change the fact that almost everyone else on IRC goes offline when they shut their laptop or into a tunnel and you can't even send them a message while they're offline. IRC has deficiencies that ensure that only a small cabal of power users will endure it. I prefer to be part of communities that are more accessible to more walks of life than the person wh…
I've been in, and now run, a channel for about twenty years that, at its peak, had about a hundred active users.
Most of those people were normal folks, from all walks of life, many of whom barely knew how to use a computer.
I would argue that it's only power users who want chat history in the first place. Normal people don't want to go back and read god-knows-how-many lines since they last logged in. They just want to chat.
Offline messaging is a valuable feature for everyone and can be improved by services, without needing a bouncer. Many networks have a "memoserv" that does this. Improve the UX of something like that (should be transparent, no different from a normal pm) and you have good offline messaging.