If you're writing a device driver, you're operating inside the kernel, effectively modifying the machine itself, rather than merely writing a program that the m

If you're writing a device driver, you're operating inside the kernel, effectively modifying the machine itself, rather than merely writing a program that the machine can run. And yes, SIP can be disabled, but OS X isn't granting you the permission do that, the recovery partition is. Once you've booted into OS X you cannot modify SIP. So again, it's more akin to modifying the machine itself.