Because?

I don't see Vancouver "happening" (at least not more than it already is). Being similar to places like Seattle or SF isn't a good thing if you want to compete with them, because you'll always end up behind them in a comparison.

Personally, I grew up on the west coast and would much rather go to another west coast city.

Toronto/Montreal is still much closer to large US populations in the US north east than Vancouver is to the US south west.

Timezones compared to Toronto for one