Rowling is the target of a small and extremely noisy faction of her fanbase; the closest she came to adversity post-celebrity was having the administrator of MuggleNet (the site that exists to eternally glaze JK Rowling and her series) disavow her. Despite a number of articles tut-tutting her objectively correct opinions, the books, recent game, movies, and theme park continue making 10s-to-100s of millions of dollars every year and she is now in creative control of an upcoming Harry Potter HBO series.
This is all to say that lefties’ worst enemies are themselves, and unless they’ve placed in an environment where they’re getting pogromed by some warlord, sent to the gulag, or executed for profligacy under shariah law, it’ll always be themselves.