really comes down to strong ideology of any kind that rejects or censors other opinions that go against their ideology. The Soviets rejected Mendelian genetics

really comes down to strong ideology of any kind that rejects or censors other opinions that go against their ideology. The Soviets rejected Mendelian genetics and modern agriculture because it came from a monk and went against communist ideology. Lysenkoism killed 50 million+ in China and Russia as a result of the famines it created https://en.wikipedia.org/wiki/Lysenkoism https://en.wikipedia.org/wiki/Lysenkoism