What are deniers of the holocaust upset about?

Deniers of the Holocaust often express skepticism about the established historical facts regarding the genocide of six million Jews and millions of others during World War II. They may argue that the evidence is exaggerated or fabricated, often motivated by anti-Semitic beliefs or a desire to undermine the legitimacy of the Jewish experience. This denial can stem from ideological, political, or cultural reasons, reflecting a broader rejection of historical consensus and an attempt to revise history for various agendas.