Because it's not as user friendly, but it could be. Things like KiwIRC or IRCcloud make it easier, but it could be more socially focused. Fuck if I had money I'd do so many things just for the fuck of it.
Doesn't look like gnome in any way. That task bar looks like windows 11. Gnome doesn't have a task bar. The "bar" of icons on the left are discord servers.
Looks "ng"?