Years of indoctrination in schools and higher education and media. But also envy, envy has to be there. Now Trump is fixing the education part.
Envy is built into communism. It drives it. It tells its dupes that envy is ok, envy is GOOD, it’s those awful “haves” over there that are the root of all evil.
I heard Dinesh D’Souza the other day remark that a simple desire for plunder drives a lot of it, a characteristic of human behavior going all the way back to the beginning.