Cost/benefit? What's the cost, and what's the benefit? From your description, it appears they are asking you to take on a "cost" with no corresponding benefit

Cost/benefit? What's the cost, and what's the benefit? From your description, it appears they are asking you to take on a "cost" with no corresponding benefit. Fail. If/As you are under no legal obligation to do so, why do so? Is there some professional, relationship, or other benefit to doing so that you've not yet described here?