Maybe they are more modern and with more features and so on, but the default user experience absolutely sucks on tmux and ip, which makes using them useless on

Maybe they are more modern and with more features and so on, but the default user experience absolutely sucks on tmux and ip, which makes using them useless on servers you don't control, and asking to "oh lemme just drop my config here" is just insane as a default. Which is why the older tools don't go away.