It says they taught it to the Chinese for flying kung fu. That’s not about genetic superiority.

I would argue the opposite. By censoring or pruning the established narrative to a single “factual” sequence, you give the most power to fascism. The freedom of ideas, even if incorrect, is essential to freedom but also to critical thinking. When we have a strong “factual” narrative with no other fringe theories allowed, it does not exercise the critical thinking skills of the population.