I have a theory that the lenders needed employees about the same time Mervyn's went out of business. So just imagine that it's a former Mervyn's employee at that other end of the line.
In addition you're dealing with a GOVERNMENT AGENCY who controls the actions of the loan servicer in what they require to make a decision. So with two strikes against you, and them holding all the cards, either satisfy their request or try to escalate this. In most cases, it's easier to try to satisfy their request. If not, try to call the executive offices for Bank of America and see if they can help intervene for a reasonable solution.
This is all to assume that your issue is in negotiating the short sale approval with the seller's lender. If this question is related to a buyer attempting to get financing from their own lender, then just choose another lender.