Now I feel ashamed, I didnt realise so many people were inconvenienced by this...
You see, I had an important dinner date in Cardiff so I flashed my silver card at the pilot and slipped him a fiver to land in CWL instead.
Its one of the many hidden perks of EC UK Silver membership. Gold card holders get the OLCI "bump" feature, but Silvers get the "£5 diversion" feature.