The 72nd edition of the Locarno Film Festival—the first under the artistic direction of Lili Hinstin—was notable for the strength of its documentary offerings, albeit hardly in the conventional sense. Within a solid line-up whose names and general tone didn’t deviate all that much from recent years, the films that stood out most were the ones that tapped into the realm of nonfiction—which isn’t to say they were necessarily documentaries.