Just give them a copy of my response
Tell them great, thanks for the recommendation and that you will implement once they put the following in writing to you so you can use it to justify with management the increased FTE you will need to implement their recommendation. If they cannot provide this information, please eliminate this recommendation from the report or you plan to have a first hand discussion with the chairperson of the audit committee.
1. What we are looking for?
2. What do we do if we think we find something? and
3. Provide me a list of the protections this affords the bank over and above the presentment warranties from the bank of first deposit.
Whether another bank does or does not do something this stupid really isn't much of a response or justification to follow the lemmings over the cliff.