“GM today, by reconfirming their decision, has not only picked a fight frankly with Unifor, but they have picked a fight with all of Canada,” said Jerry Dias.
Dissenters say union failed to win back painful concessions workers made when automakers were struggling in new labour contracts.
President Bob King says the union is stepping back because the challenge could take years to come to a conclusion.
Kathleen Wynne says Ontario is supportive of opening up opportunities for Ontario, but has concerns about the auto sector.
A concerted war on labour threatens to weaken the bargaining power of American unions, US vice-president tell auto conference.
In exchange for an agreement to create 5,100 union jobs in the US, General Motors will hire thousands of less expensive employees and try to replace some longtime workers.