Why does everyone love Montreal?

[Acajack]

As far as stuff that city-loving people tend to like or consider important, I would stack up Quebec City vs. Ottawa like this:

Diversity of population: Ottawa by a million miles
Public transit: Ottawa
Style: Quebec City by a good margin
Dining (diversity): Ottawa though Quebec City does better than one might think
Dining (quality): Quebec City by a hair
Shopping: pretty equal
Urban aesthetics: Quebec City
Arts and culture: pretty close
Weather: Ottawa
Nightlife: Quebec City
History: Quebec City
Skyline: neither is that great, but Quebec City's is prettier
Cost of living: Quebec City
Scenery: tied
Location: Ottawa
Education: Ottawa