As a personal fan of the horror genre, including movies, books and video games, this writer has consumed lots of works in that field. And for most of my life, the only -ism that horror could really be accused of was nihilism — not racism, sexism or any of the usual -isms proffered by the left. However, as has become an annoyingly common trend as time trudges forward, people have inevitably found all of those other -isms in the horror genre because of course they have. Now, in fairness, some conversations about race and horror are uncomfortable and inevitable. The godfather of cosmic horror, H…