I certainly hope Apple retail employees are facing no conditions that threaten their health or safety, and my suspicion is they are not.
The "pool" of humans overall's wealth, health, safety, and happiness increases in general when people strive for more through education and training. I don't see retail jobs as a permanent resting place for anyone. They are useful learning tools however for learning how to interact with coworkers, customers, and develop other skills. The usage of Union law to abate this is bad for society as a whole.