Recall that the final step of the BIA is to prioritize the resources associated with the mission/business processes. This is best done to determine what needs to be recovered first, even with the most critical processes at hand.
Relate that multiple weighted tables can and may need to be created so that the resources can be properly or fairly allocated. This can also assign values to each resource more accurately.
Establish that persons who oversee the team should not get so bogged down in the process that you lose sight of the objective.