Writing for Firedoglake David Dayen said,
Walker already won the war. The policy of defunding the left, defunding the checks on conservative power, was the entire point of Scott Walker’s agenda. And it was successful when he signed Act 10, the anti-worker law, last year. The entire point was to decimate public unions, one of the last bastions of labor strength. And that’s exactly what happened; public unions in Wisconsin lost thousands of members over the past year. As a result, labor couldn’t keep up with outside spending to compensate for the massive loophole-induced funding lead Walker had. Labor didn’t have the numbers or the public sentiment to make the argument for the importance of unions and collective bargaining.
The labor movement represents one of the only remaining checks on corporate power, in the fight for economic justice.
In other words lefties believe that in the fight for economic justice, government employees ought to be required to contribute to the Democratic party as a condition of their employment. That is the effect of compulsory union membership with dues automatically collected by the state.