Before the employees can sue they need to look at Wis. labor laws.If Wis. is an "at will "state there can be no legal repercussion. "at Will" means a company can fire you for any reason or no reason at all,you can be fired for the way you part your hair if they want to.

Any company that thinks they can regulate your life away from work (as long as you are not doing something illegal) is not worth working for any reason!

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The mind never forgets what the hands have learned