expressing her controversial opinions about gender last year.“I wish you a very nice pipebomb in mailbox,” the message from Twitter user @queerqegaard, who has since deleted their account, said.“To be fair, when you can’t get a woman sacked, arrested or dropped by her publisher, and cancelling her only made her book sales go up, there’s really only one place to go,” Rowling tweeted in response.Rowling, who also writes under the pseudonym Robert Galbraith, explained why she received the