I think you are confusing hippies with political activists, I don’t recall real hippies talking about Marx or much politics at all, that was the conversation of the college kids and the political kids, the people interested in voting and politics and power, in getting degrees and being a part of the system, not the drop outs who wanted to get a shot gun and a pick up, and get back to the land, raise vegetables and rabbits, and be left alone.
You are confusing hippies with libertarians or libertines. Hippies are drugged out dupes easily played by the man, while thinking that they are actually duping the man.