How do you know that? Secret court orders are secret. "National security" trumps everything these days.
LavaBit chose to shut down rather to insert a backdoor that was forced on them. I doubt Apple will shut down over that.
And thanks to Snowden we know Apple's products have been backdoored already.
http://www.spiegel.de/international/world/catalog-reveals-ns...
http://www.infoworld.com/article/2609310/hacking/apple--cisc...