Asturias56
It allows a borderline LHR-xyz route to be viable with connections, international travel is competitive, lot's of countries vying for your business and spending money. So, big spending Americans suddenly have a nonstop service to London without going via ATL or DFW for example and suddenly that Europe vacation goes to London and not Paris. That new European office comes to London and not Frankfurt. That attracts inward investment and create jobs.
The headbangers demanding, and it's always a demand, that transfer traffic be banned don't live in the real world economically. In an ever more connected world, in an ever more competitve world, we need to have one world class efficient and functioning hub airport. Let's aim to be Singapore rather than Montreal.
Mirabel. I mean, really, Mirabel.