Comedy is hard, especially the written variety, and by that measure alone one would be tempted to wonder how “Good Omens,” a 1990 novel of apocalyptic satire that provides much of the source material for the present-day Amazon TV serial, has any right to be so consistently funny, insightful, and even, by the end of it all, surprisingly poignant.
It was a sparkling morning in Bristol, in the United Kingdom, when a series of eyewitness social-media postings announced the end of the world. Was it a giant cephalopod? A flying saucer? The chatter and retweets put a funhouse spin on the spreading confusion, but the flames and destruction are decidedly non-virtual.