I love things made out of animals. It's just so funny to think of someone saying, 'I need a letter opener. I guess I'll have to kill a deer.

In this quote, David Sedaris humorously reflects on the idea of using animal parts for everyday items. He finds it amusing to imagine a scenario where someone needs a letter opener and decides that the only solution is to kill a deer. Sedaris plays with the absurdity of such an extreme and bizarre choice, using it as a comedic example of how certain materials—such as animal products—are used in unexpected and often unnecessary ways in consumer culture.

The humor in Sedaris' statement comes from the exaggeration and the unexpectedness of the situation. By suggesting that a simple, everyday item like a letter opener could require the killing of an animal, he creates a vivid and absurd image that is both surprising and amusing. It also highlights the often disconnected nature of modern life, where people may not consider where their products come from or how they are made, much less the extreme methods that could have been used to produce them.

Sedaris' comment also reflects his characteristic style of ironic and dark humor, often found in his essays and observations on the quirks of human behavior. By framing the idea of using an animal for something as trivial as a letter opener, he critiques the sometimes ridiculous extremes people go to in acquiring goods or fulfilling needs, while also poking fun at the sometimes outlandish or morbid ways that humans engage with nature and resources.

Ultimately, Sedaris' quote uses absurdity and irony to make a comedic point about the oddity of certain consumer habits and the disconnection between modern people and the origins of the products they use. His playful take on the notion of needing to kill an animal for something as mundane as a letter opener invites the audience to laugh at the absurdity of the imagined situation while also prompting them to reflect on the sometimes strange and detached nature of human behavior.