How is it possible that Apple TV’s high-budget “Palm Royale” doesn’t work? With this insanely talented cast and trendy concept, it should be a slam dunk, right? The main reason it’s not is a depressingly common one in today’s TV and streaming landscape: It’s the wrong length. Like so many recent projects, it wears out its welcome with narrative diversions that don’t work and subplots that sag in the middle of the season to the point where it becomes impossible to care.
