What is “materialist” about the Islamic terrorists stated goal of setting up sharia law?
What is “materialist” about insisting that all land ever under the control of Islam be reconquered?
What is “materialist” about promising paradise and 72 virgins to those who kill themselves in your service?
You obviously know zero about the goals and METHODS of communist revolution.
What is “religious” about Stalin promoting the Russian Orthodox Church during WW II?
What is “religious” about Marxist-Leninist Arafat adapting the symbols of Islam to inflame the Muslim world against Israel?
What is “religious” about the communist IRA killing protestants (and Catholics, for that matter) in Ireland and Britain?
What is “religious” about so-called Catholic Liberation Theologians championing communist revolution in Latin America and Africa?