The latter is mostly because certain GUI patterns simply cannot be implemented with a TUI.
And then everyone has their own idea of what keyboard shortcuts should be like. Yuck
For those workflows (as opposed, to say, Photoshop), we could do without that. That's the whole benefit.
>and being self-explanatory and same-y.
GUIs are quite less same-y that TUI. Not to mention the same app GUI can be widely different between 2010 and 2026, whereas any TUIs from 1990s I still use look and work the same.