Where else in political literature do you find thinkers saying tat we were going to end all forms of human exploitation? Wage exploitation, exploitation of women by men, the exploitation of people of colour by white peoples, the exploitation of colonial countries by imperialist countries.
When I joined the Communist movement in 1935 it was based upon the belief that mankind's future was to be found there. Certainly, millions who joined it the world over, like myself, didn't join it for profit.