The invisibility of exploitative force in capitalism results from the fact that, in capitalism, overt force is supplanted by force built into the very structure of the system of ownership and the classes defined by that system.

Jeffrey H. Reiman, Exploitation, force, and the moral assessment of capitalism: Thoughts on Roemer and Cohen, Philosophy & Public Affairs, vol. 16, no. 1, 1987, pp. 3–41, p. 12