We collect all we can hope to squeeze out of that turnip
Problem is that there's no blood left in that particular root vegetable. Nothing but IOUs.
When these guys decide he can't pay them back (because he loses), that's it. They have no more use for him except to serve as an example to other borrowers of what happens if you stiff them. And I don't think just making him disappear will serve them well. They would want it to be public and messy.
