I think part of the issue is commuting vs. cycling for everyday activities. Vancouver is probably better for bike commuting than either Montreal or Toronto because you're spending a lot of your time on residential bikeways that are very pleasant to ride on because they have modal filtering, good tree cover and very little car traffic. It's pretty delightful to ride clear across Vancouver on 10th Avenue.
But as soon as you want to go to the grocery store on your bike, or to a bar, or a concert or a friend's place for dinner, that's when Vancouver's bike network falls apart. It's conceived for long commuting trips along designated routes rather than a diversity of needs. As MonkeyRonin pointed out, that's where Toronto and Montreal have both made serious gains.
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