PAXboy
Just to make it clear, I fly Air France a lot and the experience is usually fine - so I have nothing against them, but I also fly BA a lot too and the point I was making is that I have never received treatment like that in several hundred flights with BA and would be extremely surprised if I ever did.
Of course, sometimes you will find a slightly grumpy check in agent or CC, but colleagues arguing (and using foul language) in front of a customer and then leaving that customer without luggage overnight is something else altogether
BA (the airline), is in my experience very consistently professional in service delivery, despite the best efforts of BA (the business.)