The role of government just considered is to do something that the market cannot do for itself, namely, to determine, arbitrate, and enforce the rule… - Milton Friedman

Many other unions have taken advantage of this exemption and are better interpreted as enterprises selling the services of cartellizing an industry than as labor organizations. The Teamster’s Union is perhaps the most notable.

The widespread use of the market reduces the strain on the social fabric by rendering conformity unnecessary with respect to any activities it encompasses. The wider the range of activities covered by the market, the fewer are the issues on which explicitly political decisions are required and hence on which it is necessary to achieve agreement. In turn, the fewer the issues on which agreement is necessary, the greater is the likelihood of getting agreement while maintaining a free society.

Anybody who was easily converted was not worth converting.