You are missing the point here.Yeah, there are never any reasons for the government to need access. Certainly not thousands of children molested and their exploited photos traded around with pedophiles. There's no white collar crime or terrorism in the world. Yup, you've got it, there's never a good reason that they may need to access a device. Never.
The issue isn’t whether the government ought to have access to our data, but that this ultimately involves taking advantage of a flaw in the design of iOS. And if the government can crack our iPhones this way, it stands to reason that any other organisation with access to similar technology can do the same as well.
This isn’t as much showing the government the middle finger as much as it is making your own product more secure. What respectable organisation would knowingly leave their products unpatched knowingly fully well that there was a flaw with it?
The government has its job to do. So does Apple.