EK have only recently dropped the bar low enough to turboprop because they can't attract anyone. It was out of desperation and necessity.
The simple answer to many of these questions is that BA can do, and always have done, whatever they like.
Originally Posted by
Harry palmer
Why have BA got a 25tonne limit on people going onto long haul? People have joined the big 3 in the Middle East onto 777 and A330 from dash 8s,CRJs etc without problems.