That's a different question though and they were not arguing that point at all. Their claim was that it had no value unless it was useful and that it's not usef

That's a different question though and they were not arguing that point at all. Their claim was that it had no value unless it was useful and that it's not useful, both parts of which are clearly false. Is its value worth $100 is another topic (the actual topic of this post I supposed.)