Developer Maxis does not intend to take SimCity offline, but will look into it as a way of "earning back [buyers'] trust efforts," according to a tweet from the official SimCity account.
General manager Lucy Bradshaw began fielding questions via Twitter this afternoon.
Article: http://www.polygon.com/2013/3/9/4083764/ea-has-no-intentions-of-offlining-simcity-but-will-look-into-it-to