The Balloon Makers formed a union because their work was rapidly expanding.The Fortune Tellers did not form a union because it became crystal clear that there was no future in it.
The Magicians were worried and did not form a union because of concern that their work was just an illusion, and would soon vanish.
The Electricians union took charge and sent the Teamsters Union packing. (At least that is the current situation due to an alternating view.)
The Icecream Makers discovered that their union had a hiring freeze.
The Meat Packers Union found that government gave them the cold shoulder.
The Breadmakers could not rise to the occasion and were given an absolutely raw deal.
War recently broke out among the windows installers association, causing a real pane... Until they had a major break through that was a shattering success.
The painters union was all primed for a strike but was rolled right over by the floor covering union that laid down the law because they were stretched tight.
The Professional Bowlers Association did go an a major strike, but were split on the issues.
The Professional Wrestlers wanted to form a union because they felt they were being pinned by those holding them down, and they did not want to be counted out.