As I said, the Wikipedia article is what the words "native Brits" links to.
Here's the article: https://en.wikipedia.org/wiki/Ethnic_groups_in_London
Here's what the article says:
> In 2011, it was reported for the first time that White British people had become a minority within the city
How could you possibly come to the conclusion that it's not about race? Do you think he linked to the wrong article by accident?