They also pointed out on that show that the Concorde never made a profit. The British and French governments subsidized every passenger that ever flew in it, in spite of the ridiculously high fares charged. That was the real reason it stopped flying.

The Concorde, for all its brilliant engineering, was doomed to fail from the beginning. It could not possibly carry enough passengers in the cabin on any flight to pay the cost of the trip. That is why Boeing wisely dropped the SST it was building to compete with the Concorde.