What is the significance of the meme O'Connell discusses in Chapter 8: The Redness of the Map?

In Chapter 8: The Redness of the Map, O'Connell tells the reader about a particular meme that became popular in recent times. He says that the meme features a dog sitting calmly at a desk while all around him, the room is on fire. The caption of the meme states, "This is fine" (227). O'Connell finds significance in the meme by stating that his role as a parent and as a person who believes in optimism forces him into the role of the dog at times.