TCM is one of the subgenre's of Horror..Slasher Films.
One doesn't have to like this type of film to be a fan of Horror.

Honestly its just not one of my favorite Horror movies since i perfer subtly tension building and suspence in my horror or Outright Fantastical horror.

I would agree that TCM is one of the most significant Slasher films of all time Up there with Friday the 13th and Halloween and would never deny its historical significance.

But if you don't like slasher films it certainly doesn't mean your not a fan of the horror genre.