I wonder what the benefits were like. Did they have a collective bargaining agreement? What is the grievance procedure? Pensions? Sick leave? Okay, they protest, but does their contract permit them to demonstrate, march, or riot? Or does that have to handled by journeymen? Or another "brotherhood?"
Scabs!!
The only benefits these homeless picketers get from the union can be found here:
Lots of free refreshments!