But the most interesting explanation for fashion’s newest obsession suggests that the industry’s conflicted feeling toward curves has reached its extreme, if inevitable, conclusion. Simply put, skinnier people are easier to dress. Little-girl muses, with little-girl bodies, spare designers the inconvenience. Gone is the need to justify the lack of womanly curves on the human mannequins chosen to showcase designs; the clothes themselves, meanwhile, get a break from the hassles of boobs and hips. Prepubescent-looking models being replaced by actual prepubescents: It’s genius, really.