In my experience, telling someone to switch Unix shells for ease of use is like telling him to switch cigarette brands for his health.

The grandiose plans of what Macintosh was gonna be was just so far out of whack with the truth of what the product was doing. And the truth of what the product was doing was not horrible, it was salvageable. But the gap between the two was just so unthinkable that somebody had to do something, and that somebody was John Sculley.