The Vatican’s big worry is that Marxist ideology is to save everyone by developing a socialist society - church salvation is only found through Jesus
undermining Christian world view.
They are two different ideologies and obviously Marxism is an atheistic ideology.
Others say Christianity has adopted theistic evolution and the big bang theory.
Genesis 2:19 - humans duty to learn about the world
Leonardo Boff says Liberation theology’s inspiration is the Gospel.
He says Christians must reject Marxism’s closed monolithic (huge) socialist society which rejects God.
Christianity must engage with the secular (non religious)
But it must not look through the lens of those political ideologies.