Earlier quoted context omitted.
I have mixed feelings about this. I used to live in El Raval, and during August I dreaded even leaving the apartment because I knew I would have to fight crowds even to go to the corner and buy milk. I agree with your general premise, that restricting freedom of movement has not historically been a good thing, but I do also think it's a tragic when a beautiful and interesting place gets absolutely overrun by tourists…
There’s at least one benefit of tourists: you get more and a better selection of restaurants I live in a part of Oslo with a vibrant restaurant scene, and one of the reasons is the extra business tourists drum up
The worst thing about overtourism is it makes travel boring. Everything tries to repackage itself as something accessible for 30-something middle class people who don’t want to go to Disney Land but also don’t want to worry about a stomachache or a weird smell.