I don't think keybinding for moving tabs/splits is excessive

agreed.

You don't use new tab? New window? You physically click the tab to move tabs?

in gnome terminal i don't use tabs at all. i use tmux for that.

gnome has a number of keybindings, most of which start with shift-control, which is a rare combination not used elsewhere. in tmux all bindings start with a leader which is configurable, making it easy to stay away from other key combinations. wezterm can do that too. i am not the person you are originally responding to. i am happy if all keybindings can be changed with a single setting. i don't know if gnome terminal can do that, but it appears that gnome does exactly what we ask for: choose keybindings that don't get in the way.