Over the weekend, Rowling posted a quote from comedian Hasan Minhaj, who talked about Donald Trump in his speech during the White House Correspondent's Dinner.
The next day, a Trump supporter retweeted her, and said if she didn't like Trump, she should "get the hell out" of America and "move to Mexico or Canada."
Obviously, this person has never seen a Harry Potter movie or even bothered to look up J.K. Rowling's Wikipedia page. If they had, they'd probably be aware that the creator of the Wizarding World hails from the UK.
That was almost too easy.