For the first several months of the dispute, Blue Man Group’s founders were determined to take the high road, sure that they could satisfy Toronto’s unions without actually becoming a union production. But with opening night approaching, the organizers’ anger is mounting over what they see as a ridiculous double standard (they compare their organization to the Canadian troupe Cirque du Soleil, which has never mounted a union show,) and over accusations that they are somehow “unprofessional.”