Not sure if true, but at least they are really advertising not too bad salaries at least for Switzerland. They were talking about 4'500 chf for a entry level worker. Which isn't bad at all.
If they give good compensation in the US, I'm sure they will be as popular as cosco.
The NLRB just made a new ruling that states if companies are found to have committed illegal acts during unionization election efforts will be forced to immediately bargain with the union rather than just have to run the election again. We're still not as strong as Europe when it comes to workers rights, but we're getting better.