Entertaining, yes, but very childish and unprofessional.
I wouldn’t never hire him. His new employer will certainly find out about this and be put on notice about their new employee. He’s a complainer and will trash you publicly.
I suspect they may keep him as part time or On Call only if not just finding a way to fire him. He is Toxic in Toronto, or whichever Canadian city it is.
I wouldn’t hold it against him. His boss should not call him a “waste of time” and management should not ignore such complaints. He toughed it out over a year-and-a-half. These retailers are becoming harder to work for with increasing micromanagement, higher metrics and decreasing hours.
Just a couple days ago at my business were talking about how they must only maintain the checklanes because of holiday shopping. The rest of the year they sit idle and mock both the customers wanting more open lanes and the employees who know they don’t have hours or labor to open them.
They want everyone going through self checkout, scanning as they shop or ordering for pickup. Millennials have allowed retailers like Walmart and Kroger to shift the checkout burden to them as shoppers. Customer service is not valued as much as cutting labor costs. I make it a point to shop elsewhere when I can because I value the service provided.