Because he's a developer for more than Linux services, he's also a developer for software like PulseAudio, which is supposedly meant to be kernel-agnostic. That

Because he's a developer for more than Linux services, he's also a developer for software like PulseAudio, which is supposedly meant to be kernel-agnostic. That is why I said Free Desktop software, not Free software. If he wants to restrict his viewpoint to the Linux kernel, that's his problem, but if he does, then he needs to stop pretending that he cares about Free Desktop environments and state that he's a Linux Desktop developer.