Check out helix for a good example of this too. Not quite as visible, but entering certain modes gives you a list of available shortcuts you can use from there.
Space for example opens a list with ten or twenty commands that remind you how to open the file picker, open editor list, problems window, etc…
As someone that used to agree with you, I’ve come to admit there are benefits.
Information density and shortcut availability are two of the big ones.
But the biggest for me is composability. I can query any data using their cli and open it in visidata nearly instantly. Just pipe it in. The interface is awesome compared to other query viewers I’ve found. It makes it easier to drill in and see results. Quick pivoting, Filtering and more