Considering the way there are people completely out of touch with reality (Elon Musk, Mark Zuckerberg, Jeff Bezos come to mind, among many others), is it possible that maybe all that greediness made them lose their humanity? Probably not literally but I guess moreso in a metaphorical way.
They are dragons from stereotypical fantasy fiction. They literally hoard treasure from everyone and then sit on the pile, removing wealth from society forever.