[...] The whole point of paying workers well is to keep the system going--in fact, there is a theory in orthodox economics that says this is exactly what "fair" wages do. So as a social justice strategy, wage demands are key. As a social transformation strategy, they are insufficient.
Yet it must be said that this still does not suggest an obvious reason to reject the idea that if workers were paid "fairly"--presumably at least as much as capitalists--then no one would want to be a capitalist anymore, or would have no self-interested incentive to be one, and the whole mode of production would fall apart. In other words, we might use the wage relation to overcome the wage relation. [...]