I'm not Catholic (nothing against them obviously, I find denominational wars to be foolish in this era), and this is objectively true. Communists hated Catholics. They destroyed icons and burned churches and dug up dead nuns and priests to desecrate. Communism is satanic.
In the early 1900s, communists attempted to infiltrate the Catholic Church. Here was their reason:
“Of ALL the world’s religions, the Catholic Church was the ONLY ONE feared by the Communists, for it was its only effective opponent.” - Dr. Bella Dodd, communist defector.