At the heart of the tussle is a debate between Apple and the government over whether security or privacy trumps the another. Apple has said it chooses not to build a “backdoor” way for governments to get into iPhones and to bypass encryption because that would create a slippery slope that could damage people’s privacy. Apple Takes a (Cautious) Stand Against Opening a Killer’s iPhones

A backdoor for the ‘good guys’ is a backdoor for everyone including the ‘bad guys’. Weakened encryption is for everyone.