In 1999, a movie came along starring Bruce Willis as a child psychologist dealing with a troubled young man who can, say it with me now, “see dead people”. The film was, of course, The Sixth Sense, and it got the people talking, catapulting its director, M Night Shyamalan, to global stardom. While the next few years were very good for the Indian-born filmmaker, as he followed it with another Willis adventure, Unbreakable, and then the sci-fi act…