This mutual dependencies no longer the dialectical relationship between master and servant, which has been broken in the struggle for mutual recognit… - Herbert Marcuse

This is the pure form of servitude: to exist as an instrument.

In the Platonic dialectic, … the terms “Being” “Non-being” “Movement,” “the One and the Many” “Identity” and “Contradiction” are methodically kept open, ambiguous, not fully defined. They have an open horizon, an entire universe of meaning which is gradually structured in the process of communication itself, but which is never closed. The propositions are submitted, developed, and tested in a dialogue, in which the partner is led to question the normally unquestioned universe of experience and speech, and to enter a new dimension of discourse — otherwise he is free and the discourse is addressed to his freedom. He is supposed to go beyond that which is given to him — as the speaker, in his proposition, goes beyond the initial setting of the terms. These terms have many meanings because the conditions to which they refer have many sides, implications, and effects which cannot be insulated and stabilized.

The tangible source of exploitation disappears behind the façade of objective rationality.