Sorry, are people really suggesting a train has been loaded from Birmingham to London as a placeholder for a direct BHX-DOH flight?
QR do this in quite a few European countries. It is not an indication of anything. They even through ticket on national express. For example if you search for Nottingham to Doha you get shown national express to London, and then LHR-DOH. By some people's logic this must be a placeholder for an imminent EMA-DOH direct flight 😉
Oh and on the issue of the term “non-stop”, the flight from LHR-DOH is non stop in that it is from one airport to another without any stops on the way.
The journey from Birmingham to Doha with the train is most certainly not non stop between the two places. There is no non-stop Birmingham to Doha.