Either there is a back door to get the encryption key needed to decrypt the data - which the government can get surely get at - or there isn't. If you don't have the decryption key you need to throw brute force at it which requires massive computing power and time. Depending on the strength of the encryption, perhaps more power and time than is convenient or even feasible.
If there is a back door, this raises some interesting questions:
1. How is it that Apple could get at it and the government can't - unless they have backup stored somewhere outside of the phone? Are you telling me no one in the hugest security apparatus in the history of the world has bothered to look at this problem until now? Or does Apple have a back door, but it's secure enough that the government can't get past it?
2. What the $%@# is Apple, or any other corporation, doing defeating the purpose of encryption by putting a back door in for their own purposes?
Are people really saying that they're concerned about the government having access to their private data, but if it's big corporation, then hey it's OK?