The Labor Theory of Value and Its Role in Socialist Theory

The workingmen's party workis embraced the labor theory of value as a scientific means to demonstrate their domination and exploitation. Why was this science, use of science so important? Given that their condition of domination must have been obvious to them. They were living it good. So i think the labor Theory of Value is really misunderstood,. especially ecause people think that marks is a labor theorist of value in the same way these guys are and they're not or he's not.