When once discussing the literally explosive climax to “Jaws,” Steven Spielberg waved away any criticism of the implausibility of the scenario by essentially saying that, by the point the climax arrives, if the audience is turned off by an exploding shark then he never had them anyway and he needn’t worry about it. Your reaction to the divisive “Interstellar” depends entirely on if you find the film’s journey emotionally compelling, as fans of the film do, or if you find it overly sentimental, as its detractors do. It’s easier to roll with the twists and exposition dumps when you’re emotionally invested, and easier to nitpick them to hell when you feel you’re being emotionally manipulated. These differing reactions are what cinema is all about, and there’s no wrong or right way to view a film. Just don’t disabuse someone of their honest reaction to any film, be it another Christopher Nolan big-budget epic, an indie wordless treatise on the dangers of Communism, or...