Ah agendas! Now there is a certain irony in your choice of word.I've given you the example of not bothering to liaise with the French. That blows a hole in their report.
When you prepare a report like this, it's usual to prepare it on a "likely" basis and a "worse case" basis. The civil servants don't seem interested in what's likely because it doesn't fit in with their agenda. It's Cameron and Osborne all over again, and people's eyes glaze over