Someone's missing the point here:

Outsourcing the Picket Line: Carpenters Union Hires Homeless to Stage Protests

I especially liked this graf:

John Boardman, executive secretary treasurer of UNITE HERE local 25 in Washington, said the issue of who the picketers are is less important than why they're there. "Let's focus on the message -- that there are people in this building that are working for substandard wages and benefits," he said.