The kind of self-flaggellation the Left does is something you never see from the Right.

The Left’s fears about being in a bubble, about not doing enough to understand the other side, about their own overreach, are a phenomenon unique to liberals. There does not need to be a New York Times Pitchbot for the Right. Ben Shapiro is not issuing a blistering movie review takedown of a Dinesh D’Souza documentary that went too far and didn’t listen enough to the other side.

And now there’s “Coup!” Politically muddled at best, something Ron DeSantis would happily introduce at Cpac at worst, this populist satire from directors Austin Stark and Joseph Schuman is an Adam McKay-lite class-war confection looking to have it both ways. Its “eat the rich” message is certainly strong enough for those with an extremely niche grievance: Those who, three years later, want to...