Had some difficulty with your link. However it is a quick click or two away via
www.pfa.org.uk
The letter is excellent and clearly shows the consultation to be mere lip service to the concept of consultation.
In fact I would go further and say that the way the consultation was worded is utterly corrupt and more in keeping with the practices of a soviet state than a democracy.
I consider my PFA membership to have been well spent, simply for the representations made in regard to mode S.