The previous day, a paparazzo had been killed near Justin Bieber's vehicle in L.A., and celebrities like Miley Cyrus were making statements against the intrusive nature of these photographers. But the paparazzi on the train had a point: There's a demand for the photographs, as is evidenced by the sheer amount of tabloid magazines available in any supermarket, yet we vilify the men and women who are just doing their jobs. So who's right?