What’s wrong with movies today? They’ve been kidnapped by special effects, writes Denis Dutton. “Producers are stuck in the upward spiral of an endless special-effects arms race, with demands for bigger explosions, uglier villains, more frenzied, realistic violence, louder noises and ever-expanding battle scenes. A computer-generated crowd, according to the Hollywood rule, must not be smaller than the crowds in last month’s releases.” So what about plot? Character? Acting, anyone?