“Shrek” and “Pirates Of The Caribbean” writer Terry Rossio took to his Twitter account to express his stance on vaccinations this past week.Rossio responded to a tweet urging people to participate and advance vaccination efforts by his peer Julie Benson, a writer for the successful television series, “The 100,” using a problematic argument.  “My heart goes out to all the parents of vaccine damaged children, who have to not only endure the sadness of their loss, but also the vitriol of ill-informed and insensitive people (such as those here),” he wrote. He went on to add, “Anti-Vax is equivalent to calling someone a n—-r and makes as little…