Did you even read the article, or simply not understand it? 
"The paper also points out that areas about to lose nice weather are much more heavily populated than ones about to gain some, which has implications for everything from weather-related disasters to the crops people depend on."
It's obvious that there's a lot more to lose than gain from a few days of nicer weather in mostly unpopulated regions. Remedial reading classes are available at your nearest community college.