Well, it's illegal for them to fight the unionization of their workers. Normally when they do it, they say "but we're not anti-union" with a wink and a smile, and that makes it okay. However, if the leaked documents are legitimate, they may be evidence of criminal wrongdoing.
Also, I'm troubled by the fact that this submission seems to have been deleted from the front page(s). It's only showing up on new submissions now.