Absolutely. When I lived in Los Angeles (where I grew up), and my distances were single digits, I just wore whatever I'd walk around in, pretty much all year.
That would be terrible advice for New York City, except maybe in the six nicest weeks of Spring and Fall.
This was the NEW YORK TIMES, and the article was aimed specifically at New Yorkers who think they want to bike commute and think buying fluorescent belts will make them look like grownups. Neither will work.