The property grid control is still the greatest general purpose UI of all time. Define your classes with some attributes and it just works. It was all downhill from there with web and mobile.
Because I learned on this, it made learning everything else that much harder. Even today I wish there was something as functional, basic, and intuitive, even though I well.understand the reasons for doing things different ways.
I always wonder how we have lost so many useful concepts in our tooling and IDEs.