I'm certainly no BA apologist, not sure what gave you that idea Beags.
Keeping the Concorde replica there was anachronistic at the least. Worse, it could remind passengers of exactly the point you make....
they've got absolutely no unique selling point nowadays
Surely having a mock up of a no-longer flying airliner isn't a unique selling point? When Concorde finished its career it became nothing more than an expensive Airfix kit. They might as well have had a model of a Handley Page HP42, or a Comet.