His "theory of alienation"[1] pretty accurately describes the angst that motivates the "workers" to want to move away from the Capitalist system of production and explore ideas such as libcom.org.
For those with an interest, you should read Das Kapital...Marx was a true intellectual powerhouse and his chops were both deep and wide.
IMO, It all sounds very good in theory, but always seems to always fail during implementation, like a bad software project,
The history of attempts with Communism shows little in the way of success as far as providing "the masses" with an increased standard of living and overall happiness, so I'll always be wary of such proposals.
Personally, I believe Sartre's Existentialism better describes the human condition, although even he eventually adopted Marx. in lieu of Capitalism, which will, I believe, always be hated by the intellectuals.
[0] http://www.nyu.edu/projects/ollman/docs/marxs_vision.php
[1] https://en.wikipedia.org/wiki/Marx%27s_theory_of_alienation