There is a process of social and of political differentiation going on in the real working class all the time.
I do not believe in self-proclaimed parties.
Marxism is always open, always critical, always self-critical.
Revolution is not a goal in itself.
The more workers you have in your organization, the better you are implanted in the working class, the more likely you are to come up with the concrete problems of the class.
Precisely because Marx was convinced that the cause of the proletariat was of decisive importance for the whole future of mankind, he wanted to create for that cause not a flimsy platform of rhetorical invective or wishful thinking, but the rock-like foundation of scientific truth.