spot, everyone
One imho interesting possibility is to start referring matters to the ASA.
http://www.asa.org.uk/asa/how_to_complain/
No search facility is implmented so I do not know whether anyone has brought BA's literature to their attention, but by looking at the latest adjudications
http://www.asa.org.uk/asa/adjudications/
the process does seem no-nonsense and effective.