So we should all go on the offense and complain the first time some one says something to you about using it. He who makes the first move wins.A guy in my office complained about a guy tapping his pencil on the desk all the time....he can't tap his pencil anymore. Usually the person offended by something wins out. It's easier to make someone stop doing something than it does to make someone stop complaining.
I had someone complain about my desktop background once saying I had porn on it. It was my GF in a bikini at the beach. My laptop also faced me and away from everyone else. Oddly most of the other guys around the shop had risque calendar which no one ever said anything about.