If you are in the US, pick a slow day and chat to the customer service people at Lowes or Costco. Both stores use TUI interfaces for their instore service apps, and boy are they fast with them. They reserve GUI things for the self service point of sale systems and keep the TUI for cases where speed matters. I suspect that these apps might once have been mainframe hosted (in other words, screen-oriented, with the PC t…
Genuine Parts (large US based auto parts retail) is similar. The folks working there are working on turbo muscle memory and navigate the system impressively quickly.
These folks were fast in the TUI but extending them to 2-4x the workspace was an insane productivity booster. This yard ended up being bought out in part to how we managed to extend email and virtual terminal capabilities and was the basis for the footprint of the LKQ brand at the time. I'm not sure how any web app could compete. TUIs are amazing workflow enablers.