We can go on and on about what makes a city multicultural or diverse and never reach agreement. To me it's about how many different cultures are present in a city in a significant size so that it has a visible impact on the city. So, of course, that would give bigger cities an advantage, but I would think that only makes sense. I live in NYC currently, and my GF is from Toronto, a place I've visited about 9000 times, and both of us think it's quite a stretch to think that Toronto is more of a multicultural city than NYC (or other major international cities). Of course, it is much larger.
I certainly recognize that some people put more of a value on other diversity/multicultural statistics, e.g., percentage of people born outside the city/country living in that city, or use more of a percentage analysis rather than a raw number analysis. That's fine, not like there's an objectively "right" way to look at things.
And my problem with Toronto's liquor situation is the monopoly! The stores are actually quite gigantic, but I can't help but feel that if the LCBO doesn't stock something in particular, you are SOL.
Oh I've been there countless times, probably far more than any person in Toronto in NYC many times over. I'm not saying it doesn't have diversity. I'm saying that I wouldn't say it tops every other city on the planet. If you've been to these other cities and still think otherwise, then that's cool. Different opinions and all