I think it's quite obvious that communism was branded as evil by rich capitalists who had a lot to lose.
it's not about "rich capitalists," and the results show that. it's about the poorest of the poor, actually
luckily in retrospect we can observe some states that were broken into communist and free sides, and see the societal/economic results after decades of opposing rules
which state in the below comparisons benefited the poorest
comparison 1: North Korea v. South Korea
comparison 2: West Germany v. East Germany