Good satire comes from anger. It comes from a sense of injustice that there are wrongs in the world that need to be fixed. And what better place to get that well of venom and outrage boiling than a newsroom because you're on the front lines.
That is not to say that we can relax our readiness to defend ourselves. Our armament must be adequate to the needs but our faith is not primarily in these machines of defense but in ourselves.