<font face="Verdana, Arial, Helvetica, sans-serif" size="2">does AC realise that people can just as easily get to YUL then take the train from Dorval to Ottawa on Via AirConnect?</font>
It's certainly a smarter move to save $250 each, but it's not truly "just as easily": there's a transfer, and a wait, and a 1.5-2hr train ride.
I would do it, but it's still less convenient than LHR-YOW non-stop.
andrew