I have decided to stop identifying as a football fan.

[Burney]

Oh, I would never argue that there aren't people who would prefer it to go back to what it was, only that the point has no practical outcome. We aren't exactly going to start deporting people because they aren't ethnically English or French or whatever, are we?

NYC is miles better than it was 30 years ago, BTW. And I expect Paris is as well. You're thinking about ethnicity only, I think. 30 years ago Paris was a stinking mass with appalling infrastructure. I know many people who visited it back then and hated it because of the people, the smell etc. NYC is much better in no small part because of the sort of people you are objecting to (Trump as well). If you threw out all the illegal Mexican immigrants in NYC the locals would be devastated by the impact on their lives.

I've no idea about NYC and don't much care as it's not somewhere that interests me. You are 100% wrong about Paris, though. So much so that it's not even worth arguing about, tbh.

And the point that is being made - and is well worth making - is that greater diversity does not make for a better city. It simply makes for a more ethnically diverse city in which indigenous people do not want to live.