CUPW is one of Canada's more militant unions and has engaged in unsactioned work actions ("illegal" strikes usually very small scale) and has challenged back to work legislation in the courts before - last time was under Harper so a while ago. If any union is going to defy back to work legislation, it'll probably be the posties but we'll see I guess. It's been a long strike and membership isn't making a lot of money on strike pay (something like $50 per 8 hour shift of picketing).
Interesting article from a couple years ago on CUPWs capacity to defy back to work legislation: https://springmag.ca/defying-back-to-work-legislation-what-it-will-take-to-revitalize-the-labour-movement
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CUPW is one of Canada's more militant unions and has engaged in unsactioned work actions ("illegal" strikes usually very small scale) and has challenged back to work legislation in the courts before - last time was under Harper so a while ago. If any union is going to defy back to work legislation, it'll probably be the posties but we'll see I guess. It's been a long strike and membership isn't making a lot of money on strike pay (something like $50 per 8 hour shift of picketing).
Interesting article from a couple years ago on CUPWs capacity to defy back to work legislation: https://springmag.ca/defying-back-to-work-legislation-what-it-will-take-to-revitalize-the-labour-movement