That is simply that Marxism has been tremendously fashionable in our time, so it has infected a very large number of major institutions in many countries of the world. So I suppose that we shouldn't be too surprised that it should infect the church as well.
Very curious, at the age of about 13 years, Oswald began to study Marxism and he kept on in his writing, affirming that he was a Marxist. Probably he did want to show himself as a great, supreme Marxist.
Marxism is an interpretation of history which explains the progress of society as a product of the expansion of the forces of production of the material means of life, that is, the development of economy.
Marxism conceives of the new system of socialism as the necessary outcome of all previous history made possible and necessary only by that previous history.
Because of my Marxism, I was not into myths or miracles, whether it was the virgin birth, the physical resurrection or casting out demons from an epileptic.
The relevance of Marxism to science is that it removes it from its imagined position of complete detachment and shows it as a part, but a critically important part, of economy and social development.