“The prospect of ‘necessary’ art allows members of the audience to free themselves from having to make choices while offering the critic a nifty shorthand to convey the significance of her task, which may itself be one day condemned as dispensable. The effect is something like an absurd and endless syllabus, constantly updating to remind you of ways you might flunk as a moral being. It’s a slightly subtler version of the 2016 marketing tagline for the first late-night satirical news show with a female host, Full Frontal With Samantha Bee: ‘Watch or you’re sexist.'”