Communist and socialist unions have not always supported collective bargaining because signing a contract limits worker freedom and legitimizes capitalism.

Communist and socialist unions

Labor organizations that operate based on communist or socialist principles, advocating for the collective ownership of the means of production and equal distribution of wealth.

Collective bargaining

A process where employers and representatives of employees negotiate wages, working conditions, and other terms of employment.

Legitimizes capitalism

The process or argument by which capitalism is defended or justified as the preferable economic system, often in relation to its ability to promote economic growth and freedom.