For the movements at Brize they already have too much square footage of airspace, these and similar events will probably be used to try to grab more. Add the fact that Kidlington and Farnborough are trying for Class D - GA traffic in the uk is slowly being strangled by the constant push for more controlled airspace. Cases in point at Robin Hood International with their <10 movements a day and Norwich which is even less.
This airprox appears to be a non event.