You don't understand what happened at Xerox PARC or what their "GUI" was. Smalltalk wasn't a language, it wasn't a GUI, it was an _environment_, and its whole p

You don't understand what happened at Xerox PARC or what their "GUI" was. Smalltalk wasn't a language, it wasn't a GUI, it was an _environment_, and its whole point was that it didn't hide anything! It was a completely different paradigm to how computers and their programs are architected today. A Smalltalk system was always meant to be so simple that one could understand, and change, everything about it.