Just adding to this, following this same supposedly biological argument that advocates for a natural and morally correct path for the furthering of genetic lineages, Nazis persecuted homosexuality, bisexuality and trans people as a national policy, shutting down sexology research institutes, literally burning years of scientific advancements, and revoking official acknowledgements the Weimar Republic granted transgender people. It's often forgotten, but the inherent homophobia, biphobia and transphobia of neonazis and adjacent movements is not a recent development at all: https://www.advocate.com/news/holocaust-lgbtq-victims-german-parliament