> Nobody expects a "back" or "undo" button in everyday activities like driving a car or cooking or making social conversation. How did this expectation become s

> Nobody expects a "back" or "undo" button in everyday activities like driving a car or cooking or making social conversation. How did this expectation become so irreversibly fundamental in computers? People make mistakes. All people, in everything they do, at every level of responsibility. "Back" or "undo" buttons in everyday activities like driving a car or cooking or making social conversation would be astoundingly useful. In your first example alone, literally tens of thousands of lives would be saved every year. The expectation is irreversibly fundamental in computing because in computing, unlike reality, it is actually possible.