BA made the right call regarding continuing to fly their Concordes following the crash, and it was a massive mistake by the CAA to ground the British fleet. The whole crash has been one massive cover-up by the French who operated Concorde badly with regard to their maintenance procedures. The crash lies firmly at the door of Air France.
Of course we could go into the list of near crashes by Air France, such as the time when they topped up the hydraulic fluid on Concorde SD with the wrong fluid. The French had problems with their Concordes that the British never suffered, and I am surprised that there were not further crashes with their fleet.
Well done BA for a wonderful nearly 28 years of safe supersonic passenger services!