It’s rare I see a film as full of human ugliness as Mr. Turner, and rarer still when it’s a biopic. It’s also rare to see a film as beautiful as Mr. Turner… and rarer still when it’s a biopic. But most of all, it’s rare to see a film as astute about history—inaccuracies and all— as Mr. Turner. The title character—a representation of J.M.W. Turner—is, on a personal level, a monster almost half of the time: he uses his maid as a sperm receptacle, he stomps on people when he disagrees with them, he is ugly and weird, and when he …