I do. I have been to North York or Scarborough after all.
In all seriousness, what I was against was this fear mongering "this is too dense!" protest as if a couple of 60-80s towers will immediately make an area unlivable. I am sure those people must have grown up in the suburbs where there are no buildings taller than 4 stories within walking distance and watching a movie involves a car ride. Like you said, density doesn't have to come from highrises in the case of Paris/Barcelona/even Tokyo, but Toronto is NOT dense, even downtown. True that very high density decreases quality of life, but Toronto is not remotely close to that tipping point, but rather at the point where higher density will increase quality of life. I don't know exactly how many residents downtown has today, but I can assure you life will be a lot more interesting/better if the number doubles/triples - this is not something people who spend their entire life in suburban North America (which is atypical by world standard) can fully understand.