Statistically, I'd say comedy writers are perhaps the sanest category of show people. And why not? They make big money, and although it's not an easy trade - particularly when you're at your galley oar five days a week - it's easier on the nerves and the psyche than living with the brain-squeezing pressure and cares of being the Star.
Anyone working in the media can tell you that there seems to be an always-ready-to-explode segment of the populace for whom offense is a fate worse than anything imaginable. You'd think offense is one of the most calamitous things that could happen to a human being; right up there with the loss of a limb, or just missing a parking space.