I don't think there is such a social contract. As far as I can tell, the only two things Bohemian Rhapsody got right was a) Freddie Mercury was gay, and b) Que

I don't think there is such a social contract. As far as I can tell, the only two things Bohemian Rhapsody got right was a) Freddie Mercury was gay, and b) Queen played at Live Aid. One of the villains in the Titanic movie in real life was a hero.