Earlier quoted context omitted.
Isn't open-shop effectively "no union" in practice? What threat does a union have when the company can just hire non-union workers?
I was a union rep when working in Norway, I guess it was open-shop since we had two different unions. In practice we cooperated a lot, and the largest benefit was the it gave us access to lawyers that could answer questions quickly so the members were more willing to push back on unreasonable requests. We were never close to going to a lawsuit against the company, it was more "hey this is breaking the law, how do we…
Yeah, but the article is about the US, were they invented the Pinkertons instead of addressing employee grievances :-)