What's the point of fitting multiple terminals in a single text-mode screen when everybody is using GUI terminal emulators and tiling window managers? I remember good old pure text-mode days with warmth but doubt there are many people actually doing it nowadays. So I imagine this (thesubject) is going to be ran inside a GUI terminal emulator window and I don't understand how is that better than just having more windo…
It's immensely a cleaner solution than toying around with separate windows for me. Switching sessions and consoles is seamless and it's all in one window. Eventually something will bite me regarding Tmux getting in the way of something and causing headaches but the momentum I have is great.
I suggest trying one out sometime, it may open a whole new world of tooling for you! Otherwise there's no sweat if you got something working sans multiplexer.