Riffing on the article title: Simple Does Not Mean Deficient.
“Star had many fewer commands than today’s systems, and it didn’t do it by having fewer functions. It just had fewer commands.” — Dave Smith at The Final Demonstration of the Xerox ‘Star’ Computer (video: https://www.youtube.com/watch?v=_OwG_rQ_Hqw text: http://archive.computerhistory.org/resources/access/text/201... )