The most famous forms of Holocaust denial and revisionism tend to focus on Jews, casting doubt, for example, on how many were exterminated in the camps. But denying the impact the Nazis had on the other groups they targeted, including queer and trans people, disabled people and Romani people, is still Holocaust denial. Maybe someone should tell J.K. Rowling.
There are multiple faces to Holocaust denial, and this one, is denying the scale of it by excluding a group that has knowingly been targeted by Nazis. They had to wear the pink triangle too.
I understand that you believe that, it’s just as far as I know not the definition