Larissa: The Other Side of Anitta (2025) does one of the worst things a documentary can do. It purports to be about the person whose name is on the title but it’s really about the filmmaker. It’s not even a gradual shift; director Pedro Cantelmo wastes little time shoehorning himself into the narrative and taking control of it. The ideal documentarian is invisible, noiseless, and inconspicuous; a detached,…