I would rather live in a world where people like Jobs are in charge (iPhones and Mac comes to mind), than the one in which people like Stallman are (unix terminal and command prompts come to mind).
“Those who desire to give up freedom in order to gain security will not have, nor do they deserve, either one.” -- Benjamin Franklin
IMO, you're giving up freedom and getting a lot less than security.
As for the other part of your comment: remember that iOS is based on Unix, so a world without Unix is also a world without iOS.