Clearly For The Same Reason Guys Learn How To Play Guitar (ummm, what?)
Apparently, to do the same thing that happens in the suburbs just as often. A half-baked socio-economic theory if I’ve ever heard one. Expect a full chapter on it in Gladwell’s next book, and for me to be making fun of it next Halloween.
Disclosure: I moved to New York in part to have casual sex more often. I’ve since seen a yearly increase in sexual encounters of 400% in each year. My sexual history is growing exponentially thanks to Manhattan living. And, more importantly, I have not died in a gruesome alcohol-fueled car accident while attempting to get laid, which is worth far more to me than the rent difference. Draw your own conclusions.