I worked with somebody who developed MULTICS but struggled constantly to do even the most basic tasks on a Mac even after using Macs for a decade. It was painf

I worked with somebody who developed MULTICS but struggled constantly to do even the most basic tasks on a Mac even after using Macs for a decade. It was painful to watch them slowly move a mouse across the screen to the apple, take about ten seconds to click it, and then get confused about how to see system info.