"ニューヨーク市に探偵小説を設定するのはばかげているニューヨーク市自体が探偵小説なのだから"

Simplified Meaning:

New York City is so full of mysteries, interesting people, and unusual events that it feels like a detective story on its own. Imagine walking through the city and seeing all sorts of curious things: strangers with secrets, old buildings with hidden pasts, and unexpected happenings around every corner. Just like how a detective uncovers clues and solves puzzles, people living in or visiting New York City can feel like they’re part of an adventure, trying to understand all the fascinating details of the city. For example, think about Times Square, where thousands of people from different backgrounds and with unique stories come together. Each person could be part of a bigger story with exciting twists and turns. Because the city has so many stories and surprises, writing a separate detective story set there almost feels unnecessary—it's like writing a story within a story. Anyone spending time in New York City can apply this idea by staying curious and observant, noticing the small, intriguing details of everyday life, and enjoying the sense of adventure the city naturally brings.