There are 53,000 unionized postal workers at Canada Post and the final paragraph says this:
"analysts have estimated Canada Post may need to eliminate between 10,000 and 30,000 positions as it looks to streamline services during the next decade."

So… eliminate over 50% of the positions occupied by union workers?

https://www.insidehalton.com/news/canada-post-collective-agreement-ontario/article_f5210183-1393-5655-93c2-04350e2bf72b.html