Dude it is a movie. Do you also want disclaimers for movies that have smoking, drinking, sex, fast driving, guns or anything else that someone might not like. I for one won't sign it.
So, kind of like the existing disclaimers for TV shows that have smoking, drinking, sex, guns and foul language? Or the factors that make up much of the motion picture rating system? These things already exist so I don't understand what your point is... You have to be trolling, right?