I wish companies thought beyond this "unprofessional" thing - is it not unprofessional for them to withhold the money that rightfully belongs to him (assuming t

I wish companies thought beyond this "unprofessional" thing - is it not unprofessional for them to withhold the money that rightfully belongs to him (assuming the story is factually correct)? Sadly, so many times people don't come forward for fear of losing future opportunities, and bad employers take advantage of it.