This is nonsensical, there is nothing textual about the UIs being shown here. It doesn't stop being a GUI if you have a 1:1 representation of the concept within character cells. The UX actually matters, and TUIs are generally built for effectiveness and power (lazygit being an excellent example). But once you start adding mouse clickable tabs, buttons, checkboxes etc. you left the UX for TUIs behind and applied the U…
You can be effective and powerful in any kind of interface, Just like you can be ineffective and weak in any kind of interface. People like TUIs because they're cool, and work over SSH.