There are two possibilities, here, . . . and anything in between.
That the author is a crackpot is one.
That he is dead on is another.
The Pope’s Marxist Head of the Jesuits
Understanding the adage that personnel is policy, Pope Francis has been planting Marxists throughout the Church, including at the top of the troubled religious order to which he belongs.
In 2016, the Jesuits, with the blessing of Pope Francis, installed as its general superior a Venezuelan, Fr. Arturo Sosa Abascal, whose communist convictions have long been known.
. . . .
Sosa has written about the “Marxist mediation of the Christian Faith,” arguing that the Church should “understand the existence of Christians who simultaneously call themselves Marxists and commit themselves to the transformation of the capitalist society into a socialist society.”
In 1989, he signed a letter praising Fidel Castro.
Turn down any corridor in Francis’s Vatican, and you are likely to run into a de facto communist: Francis has a communist running his order, a communist running his Council of Cardinals (the Honduran cardinal, Oscar Rodriguez Maradiaga), a communist running the Pontifical Academy of Social Sciences (Margaret Archer, a British sociologist who has said that she represents the “Marxian left”), and communists such as the renegade Brazilian liberation theologian Leonardo Boff and the Canadian socialist Naomi Klein drafting his encyclicals.
Something to consider when reading this sort of stuff is the annoyingly general drainage of meaning from key political terms.
Despite the late night pundits of MSNBC, "socialism" entails that all, not some, of the means of production are to be publicly owned while "communism" entails that all, not some, of the means of production are to be held in common.
Not all socialists, and not all communists, are or have been Marxists; and - however oddly - not all of those who have been or are, or who have claimed or do claim to be, Marxists are socialists or communists.
Too, Marxist orthodoxy entails atheism, though people who at least claim to be Christians or theists of one sort or another have claimed to be Marxists.
On the other hand, another thing to remember is that what actually matters is, in the end, who lines up, Cold War style, with soi-disant Marxist revolutionaries in line of descent from Soviet Communism and its historic Leninism.