Dentifies as bisexual by by herself, place the troll on blast for perpetuating a harmful stereotype about bisexuality. This singer gets up on her behalf buddies along with her community. On Sunday, Halsey tweeted about Miley Cyrus’ breakup, and her respond to a rude troll shut straight down a myth about sex in the act. On Twitter, somebody blamed the current split between Hemsworth and Cyrus from the latter’s sex, calling her “greedy.” Halsey responded to the comment that is…