No, no it hasn't.
They really do not like this. Chicago Chief of Detectives claims the iPhone will now be the choice for pedophiles. [Link]
Now, the chief of detectives for Chicago's police department has issued an alarming statement on the effects of Apple's heightened encryption.Speaking to the Washington Post, John J. Escalante said, "Apple will become the phone of choice for the pedophile. The average pedophile at this point is probably thinking, I’ve got to get an Apple phone."