EDIT: I moved my post to the other Quebec thread since my response went a bit off-topic. If you intend on replying you can do so there:
https://skyscraperpage.com/forum/sho...postcount=4319
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This is a really interesting thread - working my way through it.
My take is that it is pretty obvious that Bill 101 hurt MTL. It's not the only factor, but it had some effect. That said, even though I personally disagree with the bill, I understand why they did it.
Not MTL, but my brother lives in QC and I've visited. My wife and I also stayed in Gatineau a few weeks ago. It really is a different world. I wonder if it felt that "different" before, or if it's as a result of the bill. As soon as you cross over from Ottawa and walk around, everyone speaks French.
A really interesting thing I noticed is how many immigrants there are from other French speaking countries - Haiti, a few African countries. I can't recall the exact stats, but I looked it up and the percentage of French speaking immigrants in Gatineau (and I'm sure the rest of Quebec) has exploded over the last 20 years. I think it's awesome that Canada is able to offer that to other French speaking countries - a French speaking developed region that will welcome you, so you can improve your life without the language barrier.