Just to add to what UTA said.
The plan also was to shut down YUL
. But that didn't happen because AC
opposed to it. As for why AC
opposed to closing down the old, dusty YUL
and refused to move to the nice and modern YMX
, your theory is as good as any.
For a time, there was a split between YUL
served the North American market and YMX
served the international market. That split proved to be a total catastrophe for Montreal.
So, after it took the airport authorities 25 years or so to realize their mistake, they decided it was time to focus on using only one airport.
They had the choice between shutting down the old, ugly, dusty, dark, no room to expand or add runways, submitted to a curfew YUL
, or the new, beautiful, clean, bright, with room to add 4 runways and terminals, and free of any curfew, YMX
And, as anyone in their right mind would do (cough cough), they decided to shut down YMX
So, that's the (very very very sad) story.
Everything is not lost for YMX
though. It is still used for all cargo operations (Fedex, UPS and others). And it is also used to shoot movies, when an airport setting is needed. One of GM
's recent commercial was shot there, and Steven Spielberg's next film - apparently the story of a man who had to stay 18 months or so at JFK
- was also partially shot at YMX
Never let the facts get in the way of a good theory.