David Cronenberg’s glacial and oddly moving fetish thriller Crash turns 25 this year. But has its depiction of futurism and kink become dated, or does this erotic thriller still shock? “Slow down, slow down, not so fast,” a man moans. Not during sex — he’s in a car, and his driver is moving too quickly for his liking past a deadly car crash. The man has his camera poised; he is ready to take photos of the crumpled bonnets and…