We find exactly the opposite to be true. If you were to go to an unknown area, would you want a map of the area? Well that is exactly what the LOI is: a map of the major deal points. In today's busy world it is important to be sure two parties are going down the same road and in the same direction before spending too much time working out all the details of a transaction.
A letter of intent should be sent to all creditors warning them of future legal proceedings. It is important for creditors to know when a debtor is going to file for bankruptcy, as it directly affects the manner in which they will be repaid as well as the time period in which they can expect to be repaid.