I guess they get sold on ebay and the like and the only time one of those identifiers turns up is when a poor guy walks into an apple store and tries to have a

I guess they get sold on ebay and the like and the only time one of those identifiers turns up is when a poor guy walks into an apple store and tries to have a faulty part of his "brand new" macbook replaced. Maybe somebody finds a pattern and gets the thieves, but I'd bet against it.